| 相手 | あいて | companion; partner; company; other party | n4 |
| 相談 | そうだん | consultation; discussion; discussing; asking (someone) for advice | n4 |
| 相当 | そうとう | corresponding to (in meaning, function, etc.); being equivalent to; appropriate; suitable | n2 |
| 相違 | そうい | difference; discrepancy; variation | n2 |
| 相場 | そうば | market price; speculation (e.g. on stocks); reputation (according to conventional wisdom); estimation | n1 |
| 相続 | そうぞく | succession; inheritance | |
| 相互 | そうご | mutual; reciprocal | n2 |
| 相撲 | すもう | sumo (wrestling); sumo wrestler; rikishi | n2 |
| 相性 | あいしょう | affinity; compatibility; chemistry (between people) | n2 |
| 相応 | そうおう | suitable; appropriate; befitting; becoming | |
| 相 | しょう | minister (of a government department) | n2 |
| 真相 | しんそう | truth; real situation | n2 |
| 相対 | あいたい | involving only the parties concerned; tete-a-tete | n2 |
| 人相 | にんそう | looks; countenance; facial features; physiognomy | |
| 首相 | しゅしょう | prime minister; chancellor (Germany, Austria, etc.); premier | n3 |
| 形相 | ぎょうそう | look (esp. an angry or upset look); expression | |
| 相模 | さがみ | Sagami (former province located in present-day Kanagawa Prefecture) | |
| 相好 | そうごう | features; appearance | n2 |
| 相成る | あいなる | to become | |
| 相次ぐ | あいつぐ | to follow in succession; to happen one after another | n2 |
| 世相 | せそう | social conditions; phase of life; (sign of) the times; state of society | |
| 相棒 | あいぼう | partner; pal; accomplice | |
| 相貌 | そうぼう | looks; features | |
| 大相撲 | おおずもう | professional sumo wrestling | |
| 相手方 | あいてかた | other party; opposite party; opposing team; one's opponent | |
| 寝相 | ねぞう | sleeping posture | |
| 血相 | けっそう | expression; looks | |
| 相反 | そうはん | mutual opposition; contrariety; contradiction; repulsion | |
| 可哀相 | かわいそう | poor; pitiable; pathetic; pitiful | n3 |
| 相槌 | あいづち | aizuchi; backchanneling; interjections indicating that one is paying attention; two smiths hammering at an object in turn | n1 |
| 相続人 | そうぞくにん | heir; heiress; inheritor | |
| 宰相 | さいしょう | prime minister; premier; chancellor | |
| 相似 | そうじ | resemblance; likeness; similitude; similarity | n5 |
| 相応しい | ふさわしい | appropriate; adequate; suitable; fitting | n2 |
| 面相 | めんそう | countenance; features; looks | |
| 皮相 | ひそう | surface; outward appearance; superficial; shallow | n1 |
| 相愛 | そうあい | mutual love | |
| 相関 | そうかん | correlation; interrelation | n2 |
| 実相 | じっそう | reality; real state of affairs; true state of affairs; true form of all things as they are | n1 |
| 不相応 | ふそうおう | unsuited; inappropriate; improper; undeserved | |
| 様相 | ようそう | aspect; phase; condition; modality | n1 |
| 相対的 | そうたいてき | relative | n2 |
| 相変わらず | あいかわらず | as usual; as always; as before; as ever | n3 |
| 粗相 | そそう | carelessness; careless mistake; blunder; wetting oneself | |
| 相伴 | しょうばん | partaking; participating; taking part in; sharing (something with someone) | |
| 相生 | そうしょう | generating cycle (of the five elements in Chinese philosophy; wood generates fire, fire generates earth, earth generates metal, metal generates water, water generates wood); mutual generation | |
| 話し相手 | はなしあいて | person with whom to speak; someone to talk to; companion; advisor | |
| 相剋 | そうこく | rivalry (between two irreconcilable forces); conflict; strife; struggle | |
| 頂相 | ちんぞう | portrait or sculpture of a renowned Zen monk | |
| 相談窓口 | そうだんまどぐち | inquiry counter; consulting service; assistance service | |
| 滅相 | めっそう | extravagant; absurd | |
| 貧相 | ひんそう | poor-looking; impoverished-looking; scrawny (e.g. figure); thin-looking | |
| 相識 | そうしき | acquaintance | n3 |
| 相伝 | そうでん | inheritance | |
| 相続税 | そうぞくぜい | inheritance tax; death duty | |
| 相容れない | あいいれない | in conflict; incompatible; out of harmony; running counter | |
| 諸相 | しょそう | various aspects; various phases | |
| 死相 | しそう | look of death (in one's face); shadow of death; face of a dead person | n2 |
| 相まって | あいまって | coupled with; together | n1 |
| 相客 | あいきゃく | fellow guest; fellow lodger; fellow passenger | |
| 相殺 | そうさい | offset; offsetting each other; cancelling each other out; counterbalancing | |
| 外相 | がいしょう | Foreign Minister | |
| 手相 | てそう | lines of the palm (in palm reading); appearance of the palm of the hand | |
| 相談室 | そうだんしつ | counseling room; counselling room; consulting room; advisory centre | |
| 相する | そうする | to assess (often one's fate) | |
| 相談会 | そうだんかい | consultation; conference | |
| 相方 | あいかた | partner (esp. in manzai); companion; partner for the night (e.g. at a brothel) | |
| 丞相 | じょうしょう | grand chancellor (highest-ranking minister in ancient China); chief councillor; minister (Chinese-style title) | n2 |
| 対戦相手 | たいせんあいて | opponent; adversary; the competition; the other side | |
| 色相 | しきそう | hue; color phase; colour phase | |
| 相伴う | あいともなう | to accompany | |
| 相関図 | そうかんず | correlation diagram; correlation chart; relationship chart (of characters in a televised drama, etc.) | |
| 相続放棄 | そうぞくほうき | rejection of an inheritance; waiving of inheritance | |
| 相談役 | そうだんやく | counselor; counsellor; adviser; advisor | |
| 相互作用 | そうごさよう | interaction | |
| 人相書 | にんそうがき | personal description | |
| 位相 | いそう | phase (e.g. wave, electricity, moon); topology; register | |
| 悪相 | あくそう | evil countenance | |
| 電話相談 | でんわそうだん | telephone counselling; telephone consultation | |
| 相思 | そうし | mutual affection; mutual love | |
| 種々相 | しゅじゅそう | various phases | |
| 相続財産 | そうぞくざいさん | inheritance; inherited property; heritage | |
| 三相 | さんそう | three phases | |
| 異相 | いそう | unusual appearance; extraordinary countenance; striking features | |
| 結婚相手 | けっこんあいて | marriage partner; spouse; wife-to-be; husband-to-be | |
| 相宿 | あいやど | staying in the same inn or hotel; rooming together | |
| 相乗り | あいのり | riding together; sharing a car (taxi, etc.); ridesharing; doing in collaboration | |
| 骨相 | こっそう | physique; phrenology | |
| 分相応 | ぶんそうおう | within one's means | |
| 法律相談 | ほうりつそうだん | legal consultation; (giving) legal advice | |
| 相対性理論 | そうたいせいりろん | theory of relativity | |
| 事相 | じそう | aspect; phase; phenomenon | |
| 相合傘 | あいあいがさ | sharing an umbrella; being under one umbrella; drawing of an umbrella with two names under it (equivalent of "X loves Y") | |
| 相手側 | あいてがわ | other side; other party; other end (e.g. of phone connection); opposition | |
| 相続権 | そうぞくけん | heirship; (claim) the (right of) succession; one's inheritance rights | |
| 相対性原理 | そうたいせいげんり | principle of relativity | |
| 人相見 | にんそうみ | physiognomist | |
| 家相 | かそう | aspect, position, layout, etc. of a house (determining the residents' fortune); physiognomy of a house | |
| 文相 | ぶんしょう | Minister of Education, Science and Culture | n4 |
| 相継ぐ | あいつぐ | to follow in succession; to happen one after another | n2 |
| 相乗 | そうじょう | multiplication; synergism | |
| 相違点 | そういてん | (points of) difference | |
| 相続分 | そうぞくぶん | share in inheritance; inheritance share; portion of inheritance | |
| 相合 | あいあい | doing together; being on par; being equal | |
| 応相談 | おうそうだん | obtaining agreement by consultation; matters settled in an interview | |
| 相弟子 | あいでし | fellow students | |
| 法相 | ほうしょう | Minister of Justice | |
| 観相 | かんそう | physiognomy | n3 |
| 不倫相手 | ふりんあいて | person with whom one is having an illicit love affair; mistress; lover | |
| 相撲部屋 | すもうべや | stable | |
| 遺産相続 | いさんそうぞく | inheritance; succession to property | |
| 相鉄 | そうてつ | Sagami Railway | |
| 相談者 | そうだんしゃ | person asking for advice; inquirer; consulter; consultor | |
| 御面相 | ごめんそう | frightful face | |
| 入相の鐘 | いりあいのかね | evening bell; vespers bell | |
| 内相 | ないしょう | Home Minister (pre-1947) | |
| 位相差 | いそうさ | phase contrast | |
| 動物相 | どうぶつそう | fauna | |
| 日本相撲協会 | にほんすもうきょうかい | Japan Sumo Association; JSA | |
| 蔵相 | ぞうしょう | Minister of Finance | |
| 三相交流 | さんそうこうりゅう | three-phase alternating current | |
| 結婚相談所 | けっこんそうだんじょ | marriage agency; matrimonial agency; matchmaking service | |
| 相手取る | あいてどる | to challenge (esp. in a lawsuit); to take on an opponent (in negotiations, contest, etc.) | n1 |
| 相承 | そうしょう | inheritance | |
| 相談所 | そうだんじょ | consultation office; information center; bureau; agency | |
| 地相 | ちそう | geographic features; divination based on the lay of the land | |
| 法相宗 | ほっそうしゅう | Hosso sect of Buddhism (Japanese equivalent of the Chinese Faxiang sect) | |
| 入相 | いりあい | sunset; evening bell; vespers bell | |
| 相役 | あいやく | colleague | |
| 陸相 | りくしょう | army minister | |
| 三世相 | さんぜそう | the Book of Divination | |
| 利益相反 | りえきそうはん | conflict of interest | |
| 推定相続人 | すいていそうぞくにん | presumptive heir | |
| 相討ち | あいうち | simultaneously striking one another (in kendo, etc.); draw; tie | |
| 通り相場 | とおりそうば | going price; general custom | |
| 福相 | ふくそう | happy-looking | n3 |
| 相づち | あいづち | aizuchi; backchanneling; interjections indicating that one is paying attention; two smiths hammering at an object in turn | n1 |
| 下相談 | したそうだん | preliminary consultation; arrangements | |
| 腕相撲 | うでずもう | arm wrestling | |
| 浮気相手 | うわきあいて | adulterous partner (in a relationship); adulterous lover | |
| 吉相 | きっそう | auspicious appearance; good or lucky omen | |
| 相席 | あいせき | sharing a table with someone you don't know (e.g. at a restaurant) | |
| 相身互い | あいみたがい | mutual assistance; mutual sympathy | |
| 近親相姦 | きんしんそうかん | incest | |
| 険相 | けんそう | forbidding look; uncanny look | |
| 人生相談 | じんせいそうだん | counselling service (counseling); life matters advice service | |
| 相思相愛 | そうしそうあい | mutual love | |
| 相克 | そうこく | rivalry (between two irreconcilable forces); conflict; strife; struggle | |
| 相即 | そうそく | coming together and dissolving into oneness; being closely related; being inseparable | |
| 要相談 | ようそうだん | negotiable; further discussion needed | |
| 相乗効果 | そうじょうこうか | synergy | |
| 相対参照 | そうたいさんしょう | relative reference | |
| 相打ち | あいうち | simultaneously striking one another (in kendo, etc.); draw; tie | |
| 法定相続人 | ほうていそうぞくにん | legal heir; heir-at-law | |
| 百面相 | ひゃくめんそう | making different (comic) faces, esp. using small props | |
| 相部屋 | あいべや | sharing a room; dormitory room; match between wrestlers from the same stable | |
| 交際相手 | こうさいあいて | person one is dating; significant other; partner; boyfriend | |
| 相輪 | そうりん | sōrin; finial of a Japanese pagoda | |
| 生物相 | せいぶつそう | biota | |
| 相撲界 | すもうかい | sumo world; sumo wrestling community | |
| 草相撲 | くさずもう | amateur sumo wrestling | |
| 一子相伝 | いっしそうでん | transmission of the secrets of an art, craft, trade or learning from father to only one child | |
| 相関関係 | そうかんかんけい | correlation; interrelation; intertwining | |
| 印相 | いんぞう | mudra; hand sign | |
| 相等 | そうとう | equality; being equal | n2 |
| 九相図 | くそうず | kusōzu; painting depicting the nine stages of decomposition of a corpse | |
| 九相圖 | くそうず | kusōzu; painting depicting the nine stages of decomposition of a corpse | |
| 相いれる | あいいれる | to be compatible (with); to be in harmony; to coexist | |
| 単相 | たんそう | single-phase alternating current; haploid phase (of an organism, cell, etc.); haplophase | |
| 相補 | そうほ | complement | |
| 相並ぶ | あいならぶ | to line up with | |
| 位相空間 | いそうくうかん | phase space; topological space | |
| 相関係数 | そうかんけいすう | correlation coefficient | |
| 相姦 | そうかん | illicit sexual relations (e.g. incest, adultery) | n2 |
| 相称 | そうしょう | symmetry | |
| 農相 | のうしょう | Minister of Agriculture | |
| 指相撲 | ゆびずもう | thumb wrestling | |
| 相見る | あいみる | to face | |
| 相当数 | そうとうすう | a considerable number; a fair number | |
| 相手国 | あいてこく | partner country; other country (in a dispute, arrangement, etc.); opponent (country) | |
| 花相撲 | はなずもう | tournament other than the six major tournaments | |
| 元首相 | もとしゅしょう | former prime minister; former premier; former chancellor | |
| 植物相 | しょくぶつそう | flora (e.g. of a region) | |
| 相互扶助 | そうごふじょ | mutual aid | |
| 相対ずく | あいたいずく | mutual consent | |
| 相対評価 | そうたいひょうか | relative evaluation; comparative assessment | |
| 人相書き | にんそうがき | personal description | |
| 競争相手 | きょうそうあいて | competitor; rival | |
| 相模女子大学 | さがみじょしだいがく | Sagami Women's University | |
| 気相 | きそう | gas phase; gaseous phase | n2 |
| 相手先 | あいてさき | the other party (usu. in business); person or party with whom you are dealing (on the other end) | |
| 相関性 | そうかんせい | relativity; interconnectedness; correlation | |
| 相互理解 | そうごりかい | mutual understanding | |
| 相撲茶屋 | すもうぢゃや | vendor at a sumo tournament | |
| 相異なる | あいことなる | to be different (from each other); to differ | |
| 特殊相対性理論 | とくしゅそうたいせいりろん | special theory of relativity | |
| 円相 | えんそう | circle painted with a single stroke in Zen calligraphy (representing the perfect peace of mind) | n3 |
| 報連相 | ほうれんそう | reporting, contacting, and consultation | n2 |
| 同相 | どうそう | the said (cabinet) minister; in-phase (component of a wave); homeomorphism | |
| ご面相 | ごめんそう | frightful face | |
| 相対論 | そうたいろん | theory of relativity; relativism | |
| 相持ち | あいもち | joint ownership; sharing; going Dutch | |
| 相撃ち | あいうち | simultaneously striking one another (in kendo, etc.); draw; tie | |
| 相続法 | そうぞくほう | inheritance laws | |
| 前相撲 | まえずもう | preliminary bouts with unranked wrestlers; unranked wrestlers | |
| 防衛相 | ぼうえいしょう | Minister of Defense; Minister of Defence | |
| 相合い傘 | あいあいがさ | sharing an umbrella; being under one umbrella; drawing of an umbrella with two names under it (equivalent of "X loves Y") | |
| 相図 | あいず | sign; signal; cue | n3 |
| 相子 | あいこ | draw; tie; quits; even | n1 |
| 女相撲 | おんなずもう | female sumo wrestling; female sumo wrestler | |
| 極相林 | きょくそうりん | climax forest | |
| 相まつ | あいまつ | to be coupled with; to be combined with; to await | |
| 財務相 | ざいむしょう | Minister of Finance; Treasurer | |
| 相談相手 | そうだんあいて | adviser; someone to consult with; someone to turn to about one's concerns; confidant | |
| 首相官邸 | しゅしょうかんてい | prime minister's official residence | |
| 位相幾何学 | いそうきかがく | topology | |
| 複相 | ふくそう | diploid phase (of an organism, cell, etc.); diploid state; diplophase | n3 |
| 人相学 | にんそうがく | physiognomy | |
| 年相応 | としそうおう | age-appropriate (esp. of clothing, hairstyles) | |
| 文科相 | もんかしょう | Minister of Education, Culture, Sports, Science and Technology | |
| 闇相場 | やみそうば | black-market price | |
| 分不相応 | ぶんふそうおう | beyond one's means or position | |
| 相憐れむ | あいあわれむ | to pity (one another); to commiserate | |
| 相撲甚句 | すもうじんく | sumo-themed song; song sung at sumo events | |
| 児童相談所 | じどうそうだんじょ | child consultation center; children's welfare center | |
| 液相 | えきそう | liquid phase | |
| お相伴 | おしょうばん | sharing a meal | |
| 位相語 | いそうご | register-specific word; word used in a particular social group or situation | |
| 円相場 | えんそうば | yen exchange rate | |
| 相談事 | そうだんごと | consultation matter; topic for advice | |
| 面相筆 | めんそうふで | fine-point brushes | |
| 固定相場 | こていそうば | fixed exchange rates; pegged rate of exchange; fixed rate | |
| 引退相撲 | いんたいずもう | exhibition match held at a wrestler's retirement ceremony | |
| 相対湿度 | そうたいしつど | relative humidity | |
| 相手チーム | あいてチーム | opponent team; opposing team | |
| 相談センター | そうだんセンター | advice center; help desk; helpline; support hotline | |
| 物相 | もっそう | cylindrical box used to measure rice; shape for forming rice; single serving of rice (esp. as prison food) | |
| 相論 | そうろん | debate; argument; lawsuit; (legal) dispute | |
| 右丞相 | うじょうしょう | Minister of the Right (Chinese-style title) | |
| 尻相撲 | しりずもう | shirizumo; back-to-back sumo; game in which players push each other with their buttocks | |
| 相会う | あいあう | to meet one another | |
| 相手役 | あいてやく | opposing role; partner | |
| 相済む | あいすむ | to finish; to end; to be completed; to fulfill one's obligations | |
| 相関的 | そうかんてき | correlative | |
| 紙相撲 | かみずもう | paper sumo; children's game of sumo played with paper cutouts of wrestlers | |
| 話相手 | はなしあいて | person with whom to speak; someone to talk to; companion; advisor | |
| 足相撲 | あしずもう | Indian wrestling | |
| 上覧相撲 | じょうらんずもう | match held in front of the Emperor | |
| 勧進相撲 | かんじんずもう | fund-raising tournaments (during the Edo period) | |
| 天覧相撲 | てんらんずもう | wrestling performed in imperial presence | |
| 師資相承 | ししそうしょう | generation-to-generation instruction from master to disciple | |
| 相対速度 | そうたいそくど | relative velocity | |
| 相撲取り | すもうとり | sumo wrestler; rikishi | |
| 相通じる | あいつうじる | to be common (to); to have (something) in common (with); to be similar (to); to be shared (by) | |
| 給金相撲 | きゅうきんずもう | match that determines if a rikishi will have more wins than losses | |
| 過失相殺 | かしつそうさい | comparative negligence | |
| 海相 | かいしょう | Navy Minister | n2 |
| 二相 | にそう | two-phase | |
| 労相 | ろうしょう | Labor Minister | |
| 担当相 | たんとうしょう | Minister of State for Special Missions | |
| 相対性 | そうたいせい | relativity | |
| 相思樹 | ソウシジュ | small Philippine acacia (Acacia confusa); Taiwan acacia | |
| 相生い | あいおい | developing together | |
| 奉納相撲 | ほうのうずもう | ritual matches held at a shrine | |
| 家督相続 | かとくそうぞく | succession to headship of a family | |
| 放射相称 | ほうしゃそうしょう | radial symmetry | |
| 株式相場 | かぶしきそうば | stock market quotation | |
| 為替相場 | かわせそうば | exchange rate; rate of exchange | |
| 相互通信 | そうごつうしん | intercommunication (usu. in telecoms contexts) | |
| 相互関係 | そうごかんけい | mutual relationship; interrelationship; interaction | |
| 相場動向 | そうばどうこう | market trend; stock movements | |
| 相容れる | あいいれる | to be compatible (with); to be in harmony; to coexist | |
| 相対年代 | そうたいねんだい | relative age | |
| 相当語句 | そうとうごく | equivalent | |
| 相続税法 | そうぞくぜいほう | Inheritance Tax Act | |
| 自己相関 | じこそうかん | autocorrelation | |
| 身分相応 | みぶんそうおう | appropriate to one's lot in life; within one's means; fitting to one's position; suitable to one's social status | |
| 首相指名 | しゅしょうしめい | nomination to become prime minister | |
| 商相 | しょうしょう | Minister of Commerce and Industry | n3 |
| 四相 | しそう | four essential elements of existence (birth, ageing, illness and death); four-phase; quadri-phase | n2 |
| 仮相 | かそう | appearance; phenomenon | |
| 月相 | げっそう | lunar phase; phase of the Moon | |
| 力相撲 | ちからずもう | sumo wrestling using strength instead of technique | |
| 国防相 | こくぼうしょう | defense minister; defence minister | |
| 形相因 | けいそういん | formal cause (one of Aristotle's four fundamental types of answer to the question "why?") | |
| 時代相 | じだいそう | phases of the age (times) | |
| 相補性 | そうほせい | complementarity; complementation | |
| 通産相 | つうさんしょう | Minister of International Trade and Industry | |
| 進行相 | しんこうそう | progressive aspect | |
| 先物相場 | さきものそうば | futures price; forward price; forward rate (of exchange) | |
| 年齢相応 | ねんれいそうおう | (appropriate for) one's age | |
| 皮相浅薄 | ひそうせんぱく | shallow and unwise; superficial and thoughtless | |
| 相互交流 | そうごこうりゅう | mutual exchange | |
| 相互協力 | そうごきょうりょく | bilateral cooperation | |
| 相互参照 | そうごさんしょう | cross-reference | |
| 相互接続 | そうごせつぞく | cross connection; interconnection; internetworking | |
| 相互相関 | そうごそうかん | cross-correlation | |
| 相和する | あいわする | to get along well together; to be in tune with one another; to harmonize with each other; to go well together | |
| 相哀れむ | あいあわれむ | to pity (one another); to commiserate | |
| 相対主義 | そうたいしゅぎ | relativism | |
| 相対位置 | そうたいいち | relative position | |
| 相対運動 | そうたいうんどう | relative motion | |
| 相通ずる | あいつうずる | to be common (to); to have (something) in common (with); to be similar (to); to be shared (by) | |
| 天気相談所 | てんきそうだんじょ | weather bureau | |
| 電信売相場 | でんしんうりそうば | telegraphic transfer selling (currency rate); TTS | |
| 電信買相場 | でんしんかいそうば | telegraphic transfer buying (currency rate); TTB | |
| 外国為替相場 | がいこくかわせそうば | rate of foreign exchange | |
| 一般相対性理論 | いっぱんそうたいせいりろん | general theory of relativity | |
| 凶相 | きょうそう | bad luck (result from fortune telling); evil countenance | n3 |
| 将相 | しょうしょう | generals and prime ministers | n3 |
| 卿相 | けいしょう | court nobles and state ministers | n2 |
| 厚相 | こうしょう | Welfare Minister | n2 |
| 極相 | きょくそう | climax | |
| 病相 | びょうそう | episode (of a mental illness); phase (of a disease) | |
| 相中 | あいなか | gap; space; good relationship | |
| 相判 | あいばん | medium-sized paper (approx. 15x21 cm, used for notebooks); medium-sized photo print (approx. 10x13 cm) | |
| 財相 | ざいしょう | Minister of Finance; Treasurer | |
| 麁相 | そそう | carelessness; careless mistake; blunder; wetting oneself | |
| 副首相 | ふくしゅしょう | deputy prime minister; vice prime minister | |
| 売相場 | うりそうば | selling rate (currency) | |
| 左丞相 | さじょうしょう | Minister of the Left (Chinese-style title) | |
| 新首相 | しんしゅしょう | new prime minister | |
| 液相線 | えきそうせん | liquidus | |
| 環境相 | かんきょうしょう | Minister of the Environment | |
| 相争う | あいあらそう | to fight with each other; to fight amongst yourselves | |
| 相似形 | そうじけい | similar figures (in geometry) | |
| 相反的 | そうはんてき | reciprocal | |
| 相場師 | そうばし | speculator | |
| 相対値 | そうたいち | relative value | |
| 相対死 | あいたいじに | double suicide | |
| 相撲人 | すまいびと | wrestler; rikishi | |
| 相転移 | そうてんい | phase transition; phase change; phase transformation | |
| 相関詞 | そうかんし | correlative | |
| 相食む | あいはむ | to compete with each other | |
| 神相撲 | かみずもう | part of the shrine dedication ceremony at the Hachiman shrine in Yoshitomi, where articulated wooden dolls enact a sumo bout | |
| 空相場 | からそうば | fictitious transaction | |
| 総務相 | そうむしょう | Minister of Internal Affairs and Communications | |
| 色相環 | しきそうかん | color circle; color wheel | |
| 共同相続 | きょうどうそうぞく | joint inheritance | |
| 単相交流 | たんそうこうりゅう | single-phase alternating current | |
| 取材相手 | しゅざいあいて | interviewee; subject of an interview | |
| 四つ相撲 | よつずもう | wrestling in which both wrestlers grasp the other's belt with both hands | |
| 地獄変相 | じごくへんそう | picture of Hell; painting representing Hell | |
| 外相会談 | がいしょうかいだん | foreign ministerial conference; meeting of foreign ministers | |
| 左右相称 | さゆうそうしょう | symmetry | |
| 教育相談 | きょういくそうだん | educational counseling; educational guidance | |
| 次期首相 | じきしゅしょう | incoming prime minister | |
| 相互不信 | そうごふしん | mutual distrust | |
| 相互会社 | そうごがいしゃ | mutual company | |
| 相互依存 | そうごいぞん | interdependence | |
| 相互訪問 | そうごほうもん | mutual visitation; reciprocal visits | |
| 相互誘導 | そうごゆうどう | mutual induction | |
| 相互運用 | そうごうんよう | interoperation | |
| 相入れる | あいいれる | to be compatible (with); to be in harmony; to coexist | |
| 相勤める | あいつとめる | to work (for); to be employed (at); to serve (in) | |
| 相対音感 | そうたいおんかん | relative pitch | |
| 相接する | あいせっする | to be adjacent (with each other); to come into contact (with each other); to touch (each other); to neighbor (neighbour) | |
| 相携える | あいたずさえる | to do something together | |
| 相殺関税 | そうさいかんぜい | countervailing duty | |
| 相鉄本線 | そうてつほんせん | Sōtetsu Main Line | |
| 示相化石 | しそうかせき | facies fossil | |
| 競合相手 | きょうごうあいて | competitor; rival; competition | |
| 譜代相伝 | ふだいそうでん | hereditary succession | |
| 財産相続 | ざいさんそうぞく | succession to or inheritance of property | |
| 跡目相続 | あとめそうぞく | successorship | |
| 通信相手 | つうしんあいて | communications partner; entity at the end of a communication | |
| お相撲さん | おすもうさん | sumo wrestler | |
| 一般相対論 | いっぱんそうたいろん | general theory of relativity | |
| 厚生労働相 | こうせいろうどうしょう | Minister of Health, Labour and Welfare | |
| 消費者相談 | しょうひしゃそうだん | consumer advice; consumer consultation | |
| 特殊相対論 | とくしゅそうたいろん | special theory of relativity | |
| 相いれない | あいいれない | in conflict; incompatible; out of harmony; running counter | |
| 相まみえる | あいまみえる | to have an audience (with); to have an interview (with); to meet; to see | |
| 相手方当事者 | あいてがたとうじしゃ | adversary party; opposing party | |
| 正相 | せいそう | in phase; in-phase; co-phase | n3 |
| 相擁 | あいよう | embrace; hug | n3 |
| 相不変 | あいかわらず | as usual; as always; as before; as ever | n3 |
| 相変らず | あいかわらず | as usual; as always; as before; as ever | n3 |
| 相かわらず | あいかわらず | as usual; as always; as before; as ever | n3 |
| 相律 | そうりつ | phase rule | n2 |
| 相異 | そうい | difference; discrepancy; variation | n2 |
| 相舞 | あいまい | dancing together in unison (in noh, kyogen, etc.) | n2 |
| 空相 | くうそう | the empty nature of all things | n2 |
| 相い性 | あいしょう | affinity; compatibility; chemistry (between people) | n2 |
| 相次いで | あいついで | one after the other; successively | n2 |
| 報・連・相 | ほうれんそう | reporting, contacting, and consultation | n2 |
| 相こ | あいこ | draw; tie; quits; even | n1 |
| 相待 | そうだい | existing in opposition or interdependence | n1 |
| 相碁 | あいご | go played by two equally skilled players | n1 |
| 相鎚 | あいづち | aizuchi; backchanneling; interjections indicating that one is paying attention; two smiths hammering at an object in turn | n1 |
| 相俟って | あいまって | coupled with; together | n1 |
| 相待って | あいまって | coupled with; together | n1 |
| 相手どる | あいてどる | to challenge (esp. in a lawsuit); to take on an opponent (in negotiations, contest, etc.) | n1 |
| 九相 | くそう | nine stages of human corpse decomposition; meditation to overcome attachment to the physical body | |
| 児相 | じそう | child consultation center; child consultation centre | |
| 固相 | こそう | solid phase | |
| 宮相 | きゅうしょう | Minister of the Imperial Household | |
| 層相 | そうそう | facies | |
| 御相 | おあい | sitting between the host and guest of honour at a drinking party (honor); companion | |
| 所相 | しょそう | the passive; passive voice | |
| 時相 | じそう | tense | |
| 核相 | かくそう | nuclear phase (of an organism, cell, etc.) | |
| 盛相 | もっそう | cylindrical box used to measure rice; shape for forming rice; single serving of rice (esp. as prison food) | |
| 相々 | あいあい | doing together; being on par; being equal | |
| 相人 | そうにん | physiognomist | |
| 相仲 | あいなか | gap; space; good relationship | |
| 相作 | かんさく | catch crop; intercropping | |
| 相倍 | そうばい | times | |
| 相加 | そうか | additive | |
| 相口 | あいくち | chum; pal; dagger; stiletto | |
| 相同 | そうどう | homology | |
| 相婿 | あいむこ | brother-in-law | |
| 相年 | あいどし | the same age | |
| 相店 | あいだな | renting a house in the same block of houses as someone else; person who rents a house in the same block of houses as oneself | |
| 相引 | あいびき | bench used by kabuki actors during performance; for enemies and allies to pull back their troops at the same time; responding to enemy arrow fire with arrow fire | |
| 相接 | そうせつ | contact | |
| 相摸 | さがみ | Sagami (former province located in present-day Kanagawa Prefecture) | |
| 相星 | あいぼし | wrestlers with the same win-loss record at the end of a tournament | |
| 相殿 | あいどの | enshrinement of two or more deities in one building of a shrine; shrine building dedicated to two or more deities | |
| 相決 | あいじゃくり | half lap joint between parallel boards | |
| 相物 | あいもの | fresh or dried fish preserved in salt | |
| 相番 | あいばん | being on duty with a colleague; partner; colleague | |
| 相相 | あいあい | doing together; being on par; being equal | |
| 相縁 | あいえん | good relationship; affectionate relationship; loving relationship | |
| 相聟 | あいむこ | brother-in-law | |
| 相肩 | あいかた | partner; someone who shares one's load | |
| 相輿 | あいごし | two people riding in a palanquin together | |
| 相酌 | あいじゃく | drinking alcohol while pouring it for each other | |
| 相銀 | そうぎん | mutual savings bank | |
| 移相 | いそう | phase shifting; phase shift | |
| 能相 | のうそう | the active; active voice | |
| 逆相 | ぎゃくそう | antiphase; reverse phase | |
| お相こ | おあいこ | quits; even; square | |
| お相子 | おあいこ | quits; even; square | |
| 入り相 | いりあい | sunset; evening bell; vespers bell | |
| 其相応 | それそうおう | appropriate; suitable; proper; fitting | |
| 分散相 | ぶんさんそう | dispersed phase | |
| 分相機 | ぶんそうき | phase splitter | |
| 前首相 | ぜんしゅしょう | previous prime minister (immediately preceding the incumbent); former prime minister; ex-premier | |
| 労働相 | ろうどうしょう | Minister of Labor (Labour) | |
| 卸相場 | おろしそうば | wholesale price | |
| 厚労相 | こうろうしょう | Minister of Health, Labour and Welfare | |
| 原発相 | げんぱつしょう | Minister for the Restoration from and Prevention of Nuclear Accidents | |
| 国交相 | こっこうしょう | Minister of Land, Infrastructure and Transportation | |
| 大相場 | おおそうば | boom (e.g. in stock prices) | |
| 完了相 | かんりょうそう | perfect aspect | |
| 完結相 | かんけつそう | perfective aspect | |
| 家相学 | かそうがく | house divination; divination based on the position and form of a house | |
| 家相見 | かそうみ | fortune-telling based on the physiognomy of a house | |
| 御相こ | おあいこ | quits; even; square | |
| 御相子 | おあいこ | quits; even; square | |
| 手相術 | しゅそうじゅつ | palmistry; chiromancy | |
| 手相見 | てそうみ | palm reading; palm reader; palmist | |
| 教育相 | きょういくしょう | Minister of Education | |
| 文化相 | ぶんかしょう | Minister for Culture (e.g. in Brazil, France); Minister of Culture | |
| 新相撲 | しんすもう | "new" sumo (for women) conducted on a mat, wearing leotards instead of a mawashi | |
| 歳相応 | としそうおう | age-appropriate (esp. of clothing, hairstyles) | |
| 物相飯 | もっそうめし | single serving of rice (esp. as prison food) | |
| 病相期 | びょうそうき | active phase (of an illness); duration of an episode | |
| 皮相的 | ひそうてき | superficial; shallow | |
| 盛っ相 | もっそう | cylindrical box used to measure rice; shape for forming rice; single serving of rice (esp. as prison food) | |
| 相々傘 | あいあいがさ | sharing an umbrella; being under one umbrella; drawing of an umbrella with two names under it (equivalent of "X loves Y") | |
| 相なる | あいなる | to become | |
| 相の手 | あいのて | interlude (in traditional Japanese music); chanting or clapping along (during a song or dance); interjection | |
| 相の間 | あいのま | room connecting the two main rooms of a building; intermediate room | |
| 相はむ | あいはむ | to compete with each other | |
| 相まる | あいまる | to pile up; to cumulate | |
| 相みつ | あいみつ | competitive bids; competitive bidding | |
| 相乗積 | そうじょうせき | product | |
| 相似る | あいにる | to resemble each other; to resemble one another | |
| 相似比 | そうじひ | homothetic ratio; similitude ratio; ratio of magnification; dilation factor | |
| 相似点 | そうじてん | point of likeness (between); resemblance; similarity | |
| 相作り | あいづくり | dish of white and red-fleshed fish arranged next to each other | |
| 相俟つ | あいまつ | to be coupled with; to be combined with; to await | |
| 相俟る | あいまる | to pile up; to cumulate | |
| 相借家 | あいじゃくや | renting a house in the same block of houses as someone else; person who rents a house in the same block of houses as oneself | |
| 相共に | あいともに | together | |
| 相具す | あいぐす | to accompany someone; to bring someone along; to get married | |
| 相分る | あいわかる | to be understood; to be comprehended; to be grasped; to become clear | |
| 相判る | あいわかる | to be understood; to be comprehended; to be grasped; to become clear | |
| 相制説 | そうせいせつ | interactionism | |
| 相反性 | そうはんせい | reciprocal | |
| 相合い | あいあい | doing together; being on par; being equal | |
| 相合袴 | あいあいばかま | Aiaibakama (noh farce) | |
| 相向い | あいむかい | facing; across from; opposite; facing each other | |
| 相向ふ | あいむかう | to be opposite; to face each other | |
| 相和す | あいわす | to grow together; to join together (in doing something) | |
| 相変化 | そうへんか | phase change | |
| 相変態 | そうへんたい | phase transformation; phase transition | |
| 相姦婚 | そうかんこん | marriage following adultery and a subsequent divorce | |
| 相容性 | あいいせい | compatibility | |
| 相対す | あいたいす | to face each other; to be opposite one another; to be in opposition; to conflict | |
| 相対尽 | あいたいずく | mutual consent | |
| 相引き | あいびき | bench used by kabuki actors during performance; for enemies and allies to pull back their troops at the same time; responding to enemy arrow fire with arrow fire | |
| 相応部 | そうおうぶ | Samyutta Nikaya; Connected Discourses; Kindred Sayings | |
| 相思鳥 | そうしちょう | Japanese nightingale (Leiothrix lutea); Peking robin; red-billed leiothrix | |
| 相悔み | あいくやみ | mutual mourning (during which one does not make condolence calls or offer to help others also in mourning) | |
| 相悪阻 | あいづわり | nausea triggered by seeing one's partner experiencing morning sickness; sympathetic pregnancy | |
| 相惚れ | あいぼれ | mutual love | |
| 相懸り | あいがかり | double wing attack (opening); mutual attack | |