| 主 | おも | chief; main; principal; important | n1 |
| 主人 | しゅじん | head (of a household); proprietor (of a store); proprietress; landlord | n3 |
| 主義 | しゅぎ | doctrine; rule; principle; -ism | n2 |
| 主張 | しゅちょう | claim; insistence; assertion; advocacy | n3 |
| 主に | おもに | mainly; primarily; mostly; largely | |
| 主人公 | しゅじんこう | protagonist; main character; hero; heroine | n2 |
| 主要 | しゅよう | chief; main; principal; major | n3 |
| 亭主 | ていしゅ | household head; master; host (e.g. of a tea gathering); innkeeper | n1 |
| 主として | しゅとして | mainly; chiefly; primarily; for the most part | |
| 坊主 | ぼうず | Buddhist priest; bonze; close-cropped hair; crew cut | |
| 持主 | もちぬし | owner; proprietor; possessor (e.g. of talent, beauty, etc.) | n2 |
| 主婦 | しゅふ | housewife; mistress (of the house); homemaker | n3 |
| 主催 | しゅさい | sponsorship (i.e. conducting under one's auspices); promotion; organizing; organising | n1 |
| 主体 | しゅたい | main constituent; core; nucleus; subject | |
| 主流 | しゅりゅう | (the) mainstream; main course (of a river); main stream | n2 |
| 主観 | しゅかん | subjectivity; subject (philosophical); ego; one's personal opinion | n2 |
| 地主 | じぬし | landowner; landlord; landlady | |
| 主題 | しゅだい | subject; theme; motif | n1 |
| 民主 | みんしゅ | democracy; popular sovereignty; Democratic Party of Japan (1998-2016) | n2 |
| 主演 | しゅえん | starring (in a film, play, etc.); playing the leading part | n1 |
| 主任 | しゅにん | person in charge; senior staff; manager; chief | n1 |
| 君主 | くんしゅ | monarch; sovereign; ruler; liege (lord) | |
| 主役 | しゅやく | leading part; leading actor; leading actress | n2 |
| 持ち主 | もちぬし | owner; proprietor; possessor (e.g. of talent, beauty, etc.) | n2 |
| 主君 | しゅくん | lord; master | |
| 領主 | りょうしゅ | feudal lord | |
| 家主 | やぬし | landlord; landlady; house owner; home owner | |
| 当主 | とうしゅ | (present) head of a family | n1 |
| 主題歌 | しゅだいか | theme song | |
| 主従 | しゅうじゅう | master and servant; lord and retainer; employer and employee | |
| 飼い主 | かいぬし | (pet) owner; keeper | n3 |
| 藩主 | はんしゅ | feudal lord; daimyo | |
| 株主 | かぶぬし | shareholder; stockholder | n1 |
| 主導 | しゅどう | leadership; initiative; spearhead | n1 |
| 自主 | じしゅ | independence; autonomy; self-reliance | n2 |
| 城主 | じょうしゅ | lord of a castle | |
| 主家 | しゅか | employer's house; master's house | |
| 主力 | しゅりょく | main force; main strength; main effort; primary focus | n2 |
| 天主堂 | てんしゅどう | (Catholic) church; cathedral | |
| 主客 | しゅかく | host and guest; the principal and the auxiliary; the principal and the subsidiary; the primary and the subordinate | |
| 神主 | かんぬし | Shinto priest; chief priest (of a Shinto shrine); Welsh onion | |
| 主宰 | しゅさい | chairmanship; presidency; management; president | n1 |
| 主たる | しゅたる | main; principal; chief; primary | |
| 主食 | しゅしょく | staple food | n2 |
| 主権 | しゅけん | sovereignty; supremacy; dominion | |
| 主權 | しゅけん | sovereignty; supremacy; dominion | |
| 主眼 | しゅがん | main purpose; chief aim; focus; main point | |
| 施主 | せしゅ | donor; benefactor; almsgiver; chief mourner | |
| 名主 | なぬし | village headman (esp. in the Kanto region) | |
| 主教 | しゅきょう | bishop (Orthodox, Anglican, etc.) | |
| 主旨 | しゅし | meaning; point (e.g. of a statement); gist; effect | n1 |
| 事業主 | じぎょうぬし | business owner; entrepreneur; employer | |
| 主動 | しゅどう | leadership | n1 |
| 主催者 | しゅさいしゃ | sponsor; promoter; impresario; organizer | |
| 店主 | てんしゅ | shopkeeper; storekeeper; proprietor of a shop | n1 |
| 社会主義 | しゃかいしゅぎ | socialism | |
| 天主 | てんしゅ | Lord of Heaven; God | n1 |
| 茶坊主 | ちゃぼうず | tea-server; flatterer; sycophant | |
| 民主主義 | みんしゅしゅぎ | democracy | |
| 主治医 | しゅじい | doctor chiefly responsible for a patient's care; doctor in charge (of a patient); attending physician; (one's) primary care physician | |
| 主意 | しゅい | central meaning; principal meaning; main idea; prioritizing of will (over reason or emotion) | |
| 主語 | しゅご | subject | |
| 国主 | こくしゅ | king; sovereign; daimyo with a domain of one or more provinces (Edo period) | |
| 主筆 | しゅひつ | editor-in-chief | |
| 飼主 | かいぬし | (pet) owner; keeper | n3 |
| マルクス主義 | マルクスしゅぎ | Marxism | |
| 主観的 | しゅかんてき | subjective | n2 |
| 小坊主 | こぼうず | young priest; scamp | |
| 主体的 | しゅたいてき | independent; responsible; active; proactive | n2 |
| 主唱 | しゅしょう | advocacy; promotion | n3 |
| 救世主 | きゅうせいしゅ | saviour; savior; messiah; Messiah | |
| 宿主 | しゅくしゅ | host; landlord; innkeeper | |
| 主命 | しゅめい | ruler's orders; master's orders | |
| 主将 | しゅしょう | commander-in-chief; supreme commander; captain (of a team) | n3 |
| 主導権 | しゅどうけん | hegemony; leadership; initiative | |
| 主神 | しゅしん | chief god | |
| 資本主義 | しほんしゅぎ | capitalism | n1 |
| 主成分 | しゅせいぶん | main ingredient; main component | |
| 主計 | しゅけい | paymaster; accountant | |
| 盟主 | めいしゅ | leader (of an alliance); leading power | |
| 戸主 | こしゅ | head of a household | |
| 自由主義 | じゆうしゅぎ | liberalism | |
| 馬主 | うまぬし | owner of a horse (esp. racehorse); registered owner (of a racehorse) | |
| 喪主 | もしゅ | chief mourner | |
| 主席 | しゅせき | head; chief; chairman; governor | n1 |
| 共産主義 | きょうさんしゅぎ | communism | |
| 民主党 | みんしゅとう | Democratic Party; Democratic Party of Japan (1998-2016); DPJ; Constitutional Democratic Party of Japan | |
| 主上 | しゅじょう | emperor | |
| 主宰者 | しゅさいしゃ | president; chairman | |
| 旧主 | きゅうしゅ | former lord | |
| 主軸 | しゅじく | main spindle; main shaft; linchpin; pivot | n1 |
| 主体性 | しゅたいせい | independence of will or action; self-direction; autonomy; initiative | n1 |
| 海坊主 | うみぼうず | umibōzu; sea yōkai, resembling a huge bald-headed black figure; sea monster; sea goblin | |
| 主事 | しゅじ | manager; director; superintendent; overseer | |
| 売主 | うりぬし | seller; vendor | |
| 座主 | ざす | temple's head priest | |
| 自主的 | じしゅてき | independent; autonomous; voluntary; of one's own initiative | n1 |
| 自由民主党 | じゆうみんしゅとう | Liberal Democratic Party; LDP; Free Democratic Party (Germany); FDP | |
| 主賓 | しゅひん | main guest; guest of honor; guest of honour | |
| 荷主 | にぬし | shipper; consignor | |
| 主翼 | しゅよく | main wings (of an aeroplane, airplane) | |
| 株主総会 | かぶぬしそうかい | general meeting of stockholders | |
| 天主教 | てんしゅきょう | (Roman) Catholicism | |
| 買主 | かいぬし | buyer; purchaser | n3 |
| 主幹 | しゅかん | chief editor; managing editor; manager; person in charge | n2 |
| 主立つ | おもだつ | to be main; to be principal; to be important | |
| 専業主婦 | せんぎょうしゅふ | full-time housewife; stay-at-home homemaker | n2 |
| 主謀 | しゅぼう | plotting; planning (crime, intrigue); ringleader; mastermind | |
| 庵主 | あんじゅ | owner of a hermitage; abbess; prioress; nun in charge of a Buddhist convent | |
| 金主 | きんしゅ | financial backer; financial supporter | |
| 主脈 | しゅみゃく | main mountain range; midrib; costa; main vein (leaf) | |
| トピ主 | トピぬし | original poster (of an Internet thread); OP | |
| 救い主 | すくいぬし | savior; saviour; rescuer; messiah | |
| 主戦 | しゅせん | advocacy of war | |
| 主義者 | しゅぎしゃ | advocate (of a theory or principle); ideologist; ideologue; -ist (i.e. adherent to a belief system) | |
| 個人事業主 | こじんじぎょうぬし | one-man business; sole proprietor; sole proprietorship; individual owner-manager | |
| 借主 | かりぬし | borrower; debtor; tenant; lessee | |
| 主我 | しゅが | ego; self | |
| 主筋 | しゅうすじ | people close to the head man | |
| 丸坊主 | まるぼうず | close-cropped head; shaven head; being treeless (of a mountain, hill, etc.); being leafless (of a tree, shrub, etc.) | |
| 主菜 | しゅさい | main dish (e.g. meat, fish, but not rice); principal dish | n1 |
| 株主優待 | かぶぬしゆうたい | shareholder benefit | |
| 主調 | しゅちょう | keynote; predominant element; main point | n3 |
| 教主 | きょうしゅ | founder of a religious sect | |
| 世帯主 | せたいぬし | head of the family (esp. as recorded in the resident register); head of the household; householder | |
| 主原料 | しゅげんりょう | principal raw material; main raw material | |
| 造物主 | ぞうぶつしゅ | Creator (of all things); Maker; God | |
| 雇主 | やといぬし | employer | |
| 主目的 | しゅもくてき | main purpose; primary objective | |
| 民主化 | みんしゅか | democratization; democratisation | |
| 主因 | しゅいん | primary cause; main factor | n1 |
| 公主 | こうしゅ | princess | |
| 故主 | こしゅ | one's former master | |
| 貸主 | かしぬし | lender; creditor; landlord | |
| 君主道徳 | くんしゅどうとく | Herrenmoral (master morality, as a philosophical concept of Nietzsche) | |
| 船主 | せんしゅ | shipowner | n3 |
| 院主 | いんじゅ | head of a temple | |
| 保守主義 | ほしゅしゅぎ | conservatism | |
| 主管 | しゅかん | supervision; management; supervisor; manager | n2 |
| 君主制 | くんしゅせい | monarchy | |
| 楼主 | ろうしゅ | owner of a brothel or restaurant | |
| 主要駅 | しゅようえき | major (train) station; main station | |
| 主観性 | しゅかんせい | subjectivity | |
| 主任者 | しゅにんしゃ | person in charge; manager; chief; head | |
| 社主 | しゃしゅ | owner of a company; head of a company | |
| 主菓子 | おもがし | Japanese sweet eaten with koicha | |
| 自己主張 | じこしゅちょう | self-assertion | |
| 主格 | しゅかく | nominative case | |
| 主知 | しゅち | prioritizing of reason or intellect (over emotion) | |
| 全体主義 | ぜんたいしゅぎ | totalitarianism | |
| 社会民主党 | しゃかいみんしゅとう | Social Democratic Party | |
| 主著 | しゅちょ | one's chief (literary) work; main work | |
| 帝国主義 | ていこくしゅぎ | imperialism | |
| 主要国 | しゅようこく | major power; principal countries | |
| 主峰 | しゅほう | the highest peak | n1 |
| 雇用主 | こようぬし | employer | |
| 個人主義 | こじんしゅぎ | individualism; egoism; selfishness | |
| 完璧主義 | かんぺきしゅぎ | perfectionism | |
| 主潮 | しゅちょう | main current | n3 |
| 自主性 | じしゅせい | autonomy; independence | n2 |
| 主審 | しゅしん | chief umpire; referee (soccer, boxing, etc.) | |
| 中間宿主 | ちゅうかんしゅくしゅ | intermediate host | |
| 主務 | しゅむ | person in charge; competent (authority, minister, etc.) | |
| 主犯 | しゅはん | principal offence; principal offense; principal offender | |
| 水主 | すいふ | sailor; seaman | |
| ご主人 | ごしゅじん | your husband; her husband | |
| 主取り | しゅうどり | entering the service of a daimyo | |
| 英主 | えいしゅ | great ruler | |
| 民主的 | みんしゅてき | democratic | |
| 主要都市 | しゅようとし | major city | |
| 至上主義 | しじょうしゅぎ | supremacism | |
| 主点 | しゅてん | principal point (e.g. of a lens); main point; gist | |
| 館主 | かんしゅ | manager | |
| 国粋主義 | こくすいしゅぎ | nationalism; extreme patriotism | |
| 主動的 | しゅどうてき | autonomous | |
| 原理主義 | げんりしゅぎ | fundamentalism | |
| 表現主義 | ひょうげんしゅぎ | expressionism | |
| 女主人 | おんなしゅじん | mistress (of the house); hostess; landlady; proprietress | |
| 広告主 | こうこくぬし | advertiser; advertising sponsor | |
| 生臭坊主 | なまぐさぼうず | degenerate monk; corrupt priest | |
| 斎主 | さいしゅ | master of religious ceremonies | n1 |
| 祭主 | さいしゅ | (head) priest; head priest of the Ise Shrine | n1 |
| 大主教 | だいしゅきょう | archbishop (Orthodox, Anglican, etc.) | |
| 専制君主 | せんせいくんしゅ | absolute monarch; despot; autocrat; tyrant | |
| 平和主義 | へいわしゅぎ | pacifism | |
| 願人坊主 | がんにんぼうず | priest who was also a street performer and performed prayers and other religious duties for the sake of other people | |
| 事勿れ主義 | ことなかれしゅぎ | (philosophy of) not rocking the boat; (principle of) letting sleeping dogs lie | |
| 社会主義者 | しゃかいしゅぎしゃ | socialist (person) | |
| 主砲 | しゅほう | main battery; main armament; best hitter; center of the offense | n1 |
| お主 | おぬし | you (when referring to one's equals or inferiors) | |
| 主文 | しゅぶん | main clause; main part (of a piece of writing); text (of a judicial decision) | |
| 主日 | しゅじつ | the Sabbath; the Lord's Day | |
| 主機 | しゅき | main engine (of a ship, aircraft, etc.); propulsion machinery | |
| 創造主 | そうぞうしゅ | Creator | |
| 雇い主 | やといぬし | employer | |
| 民族主義 | みんぞくしゅぎ | nationalism | |
| 朝鮮民主主義人民共和国 | ちょうせんみんしゅしゅぎじんみんきょうわこく | Democratic People's Republic of Korea (North Korea); DPRK | |
| 主材 | しゅざい | main ingredients; chief materials | n2 |
| 法主 | ほっす | high priest | |
| 送り主 | おくりぬし | sender; consignor; remitter | |
| 実存主義 | じつぞんしゅぎ | existentialism | |
| 民本主義 | みんぽんしゅぎ | politics of the people (democratic theory of Sakuzō Yoshino, 1878-1933) | |
| 主殿 | しゅでん | main building (of a villa, palace, etc.) | |
| 主音 | しゅおん | tonic; keynote | |
| 主戦場 | しゅせんじょう | main theater of war; principal battlefield; main market; principal area of competition | |
| 古典主義 | こてんしゅぎ | classicism | |
| 国家主義 | こっかしゅぎ | nationalism; statism | |
| 権威主義 | けんいしゅぎ | authoritarianism | |
| 御都合主義 | ごつごうしゅぎ | opportunism; double standards; timeserving; expediency | |
| 自主規制 | じしゅきせい | voluntary restraints; self-limitation | n1 |
| 主辞 | しゅじ | subject; topic | |
| 主部 | しゅぶ | main part; principal part; subject (noun phrase) | |
| 主税局 | しゅぜいきょく | (Japanese) Tax Bureau | |
| 三日坊主 | みっかぼうず | person who cannot stick to anything; unsteady worker; monk for three days | |
| 主要人物 | しゅようじんぶつ | key people | |
| 進歩主義 | しんぽしゅぎ | progressivism | |
| 立憲民主党 | りっけんみんしゅとう | Constitutional Democratic Party of Japan (2017-); CDPJ; Constitutional Democratic Party (Russia, 1905-1917) | |
| 主位 | しゅい | first place; head position; leading position | |
| 主屋 | おもや | main building (of a manor); central room (of a house) | |
| 主査 | しゅさ | chief examiner or investigator | |
| 主流派 | しゅりゅうは | main faction | |
| 御主人 | ごしゅじん | your husband; her husband | |
| ご主人様 | ごしゅじんさま | master; Your Lordship; My Lord; husband | |
| 主従関係 | しゅじゅうかんけい | the relation of master to servant; homage; master-slave relationship | |
| 功利主義 | こうりしゅぎ | utilitarianism | |
| 国家主席 | こっかしゅせき | head of state | |
| 構造主義 | こうぞうしゅぎ | structuralism | |
| 自然主義 | しぜんしゅぎ | naturalism | |
| 山主 | やまぬし | owner of a mountain; proprietor of a mine | |
| 主任教授 | しゅにんきょうじゅ | head (of a university department); chairperson | |
| 成果主義 | せいかしゅぎ | results-oriented approach; resultism; belief in results | |
| 現実主義 | げんじつしゅぎ | realism | |
| 象徴主義 | しょうちょうしゅぎ | symbolism (19th-century artistic movement) | |
| 主夫 | しゅふ | househusband; stay-at-home dad | n3 |
| 共和主義 | きょうわしゅぎ | republicanism | |
| 自主退学 | じしゅたいがく | voluntary withdrawal from school; dropping out of school of one's own accord | |
| 軍国主義 | ぐんこくしゅぎ | militarism | |
| 主情 | しゅじょう | prioritizing of emotions (over reason or will) | |
| 主持 | しゅうもち | serving a master; employee | |
| 貫主 | かんじゅ | chief abbot (of a Buddhist temple) | |
| 主尋問 | しゅじんもん | direct examination; examination-in-chief | |
| 借り主 | かりぬし | borrower; debtor; tenant; lessee | |
| 牢名主 | ろうなぬし | head of a prisoners' group (Edo period) | |
| 町名主 | まちなぬし | senior town administrator (Edo period) | |
| 合理主義 | ごうりしゅぎ | rationalism | |
| 実証主義 | じっしょうしゅぎ | positivism | |
| 菜食主義 | さいしょくしゅぎ | vegetarianism | |
| 農本主義 | のうほんしゅぎ | principles underpinning an agriculturally based economy | |
| 静寂主義 | せいじゃくしゅぎ | quietism | |
| 国民民主党 | こくみんみんしゅとう | Democratic Party for the People; DPFP; DPP | |
| 無政府主義 | むせいふしゅぎ | (doctrine of) anarchism | |
| 先主 | せんしゅ | former master; late master | n3 |
| 主訴 | しゅそ | chief complaint | |
| 宗主 | そうしゅ | suzerain | |
| 御主 | おぬし | you (when referring to one's equals or inferiors) | |
| 明主 | めいしゅ | wise ruler | |
| 主産地 | しゅさんち | chief producing center; chief producing centre | |
| 売り主 | うりぬし | seller; vendor | |
| 不在地主 | ふざいじぬし | absentee landlord | |
| 主力商品 | しゅりょくしょうひん | leading product; flagship product; top product | |
| 君主政体 | くんしゅせいたい | monarchy | |
| 平等主義 | びょうどうしゅぎ | principle of equality | |
| 急進主義 | きゅうしんしゅぎ | radicalism | |
| 排外主義 | はいがいしゅぎ | antiforeignism; exclusionism; exclusivism; chauvinism | |
| 集団主義 | しゅうだんしゅぎ | groupism; group mentality; collectivism | |
| 共同体主義 | きょうどうたいしゅぎ | communitarianism | |
| 主用 | しゅよう | one's master's business; necessary business; major errands | n3 |
| 買い主 | かいぬし | buyer; purchaser | n3 |
| 像主 | ぞうしゅ | subject (of a portrait or bust); a person posing for a portrait or bust; (historically) patron; someone who commissions a Buddhist temple or work of art | |
| 門主 | もんしゅ | head priest of temple formerly led by founder of sect | |
| 願主 | がんしゅ | temple petitioner | |
| 主要因 | しゅよういん | primary factor; main cause | |
| 依頼主 | いらいぬし | client; sender | |
| 世俗主義 | せぞくしゅぎ | secularism | |
| 主体思想 | チュチェしそう | Juche (North Korean political ideology) | |
| 亭主関白 | ていしゅかんぱく | domineering husband; hectoring husband; husband who rules the roost | |
| 自主制作 | じしゅせいさく | independent production (e.g. of a film) | |
| 主婦層 | しゅふそう | housewife demographic; housewives | |
| 主殿造 | しゅでんづくり | early phase of the shoin-zukuri residential architecture style | |
| 主要部 | しゅようぶ | main part; key part; head (of a phrase) | |
| 葱坊主 | ねぎぼうず | onion flower head | |
| 農場主 | のうじょうしゅ | farmer; agriculturalist | |
| 写実主義 | しゃじつしゅぎ | realism; literalism | |
| 印象主義 | いんしょうしゅぎ | impressionism | |
| 専制主義 | せんせいしゅぎ | absolutism; despotism | |
| 構成主義 | こうせいしゅぎ | constructivism | |
| 経験主義 | けいけんしゅぎ | empiricism; judging things from personal experience | |
| 自主管理 | じしゅかんり | self-management; self-imposed control | |
| 自由主義者 | じゆうしゅぎしゃ | liberal; liberalist | |
| 主恩 | しゅおん | the favor (favour) of one's master | |
| 無主 | むしゅ | unowned; unpossessed | |
| 主力艦 | しゅりょくかん | capital ship | |
| 主権者 | しゅけんしゃ | sovereign; ruler | |
| 主機関 | しゅきかん | main engine (of a ship, aircraft, etc.); propulsion machinery | |
| 先入主 | せんにゅうしゅ | preconception; prejudice | |
| 自主権 | じしゅけん | autonomy | |
| 貸し主 | かしぬし | lender; creditor; landlord | |
| 主要部品 | しゅようぶひん | main parts; main components | |
| 啓蒙主義 | けいもうしゅぎ | illuminism; enlightenment | |
| 機能主義 | きのうしゅぎ | functionalism | |
| 物理主義 | ぶつりしゅぎ | physicalism | |
| 行動主義 | こうどうしゅぎ | behaviorism; behaviourism; activism | |
| 主任研究員 | しゅにんけんきゅういん | head researcher (at a research institute) | |
| 共産主義者 | きょうさんしゅぎしゃ | communist | |
| 平和主義者 | へいわしゅぎしゃ | pacifist | |
| 民主化運動 | みんしゅかうんどう | democratic movement; movement towards democracy | |
| 主剤 | しゅざい | principal agent (in a medicine) | n2 |
| 主傘 | しゅさん | main parachute | |
| 主刑 | しゅけい | principal penalty | |
| 主桁 | しゅげた | main girder | |
| 女主 | おんなあるじ | female owner; proprietress; landlady; female head of a household | |
| 賢主 | けんしゅ | wise master | |
| 道主 | どうしゅ | chairman of the Aikikai (Aikido World Headquarters) | |
| 主唱者 | しゅしょうしゃ | leading advocate; important proponent; strong advocator | |
| 主演作 | しゅえんさく | movie in which ... has the starring role | |
| 僭主制 | せんしゅせい | tyranny | |
| 大株主 | おおかぶぬし | major stockholder; large shareholder | |
| 主力部隊 | しゅりょくぶたい | main force; main troops | |
| 人種主義 | じんしゅしゅぎ | racism | |
| 国際主義 | こくさいしゅぎ | internationalism | |
| 大国主命 | おおくにぬしのみこと | Okuninushi; deity of magic and medicine later viewed as equivalent to Daikokuten and celebrated at Izumo Grand Shrine | |
| 愛他主義 | あいたしゅぎ | altruism | |
| 日本主義 | にほんしゅぎ | Japanism; Japanese nationalistic ideological movement | |
| 漸進主義 | ぜんしんしゅぎ | gradualism; slow-and-steady policy | |
| 科学主義 | かがくしゅぎ | scientism | |
| 筆頭株主 | ひっとうかぶぬし | biggest shareholder; largest stockholder | |
| 自主トレ | じしゅトレ | independent training (e.g. of athletes working without a coach) | |
| 落とし主 | おとしぬし | owner of a lost article; person who has lost an article; person who has dropped something | |
| 主成分分析 | しゅせいぶんぶんせき | principal component analysis; PCA | |
| 植民地主義 | しょくみんちしゅぎ | colonialism | |
| 立憲君主制 | りっけんくんしゅせい | constitutional monarchy; limited monarchy | |
| 絶対君主制 | ぜったいくんしゅせい | absolute monarchy | |
| 主都 | しゅと | main city (of a district, province, etc.); major city | n3 |
| 主薬 | しゅやく | principal agent (in a medicine) | n2 |
| 主祭 | しゅさい | person conducting a ritual; priest directing a ceremony; chief priest; conducting a ritual | n1 |
| 主局 | しゅきょく | master station | |
| 主帆 | しゅはん | main sail | |
| 主鎖 | しゅさ | principal chain; main chain; backbone chain | |
| 抱主 | かかえぬし | employer (esp. of a geisha, prostitute, etc.); master; mistress | |
| 男主 | おとこあるじ | male head of a household; male owner; landlord; proprietor | |
| 主旋律 | しゅせんりつ | main melody; lead; central theme (of a literary work, critique, etc.) | |
| 主演者 | しゅえんしゃ | star; leading actor | |
| 主要動 | しゅようどう | principal movement (of an earthquake); principal shock | |
| 君主国 | くんしゅこく | monarchy (country) | |
| 主客転倒 | しゅかくてんとう | reversing the order of (relative) importance (of); putting the cart before the horse; the tables being turned; mistaking the insignificant for the essential | |
| 人本主義 | じんぽんしゅぎ | humanism; humanitarianism | |
| 歴史主義 | れきししゅぎ | historicism | |
| 物質主義 | ぶっしつしゅぎ | materialism | |
| 理想主義 | りそうしゅぎ | idealism | |
| 禁欲主義 | きんよくしゅぎ | asceticism; stoicism | |
| 立憲民主 | りっけんみんしゅ | Constitutional Democratic Party of Japan; CDPJ | |
| 多文化主義 | たぶんかしゅぎ | multiculturalism | |
| 主典 | さかん | secretary (lowest of the four administrative ranks of the ritsuryō system); shrine official (ranking below a negi) | n3 |
| 僭主 | せんしゅ | usurper; tyrant | n3 |
| 主柱 | しゅちゅう | central pillar; principal post; backbone of a society or community | |
| 主節 | しゅせつ | principal clause | |
| 主人役 | しゅじんやく | host; toastmaster | |
| 主原因 | しゅげんいん | principal cause | |
| 主導者 | しゅどうしゃ | leader; originator; moving spirit; prime mover | |
| 主情的 | しゅじょうてき | emotional | |
| 主戦論 | しゅせんろん | war advocacy; jingoism; bellicose argument | |
| 主殺し | しゅうごろし | murder of one's master; murderer of his master | |
| 大地主 | おおじぬし | large landowner; major landowner; great landowner | |
| 宗主権 | そうしゅけん | suzerainty | |
| 所帯主 | しょたいぬし | head of household | |
| 無主物 | むしゅぶつ | ownerless property; bona vacantia | |
| 主義主張 | しゅぎしゅちょう | one's principles and position | |
| 主要諸元 | しゅようしょげん | salient points | |
| 反動主義 | はんどうしゅぎ | reactionism | |
| 孤立主義 | こりつしゅぎ | isolationism | |
| 封建主義 | ほうけんしゅぎ | feudalism | |
| 封建領主 | ほうけんりょうしゅ | feudal lord | |
| 形式主義 | けいしきしゅぎ | formalism | |
| 御主人様 | ごしゅじんさま | master; Your Lordship; My Lord; husband | |
| 復古主義 | ふっこしゅぎ | reactionism | |
| 愛国主義 | あいこくしゅぎ | nationalism; patriotism | |
| 懐疑主義 | かいぎしゅぎ | skepticism; scepticism | |
| 改良主義 | かいりょうしゅぎ | reformism | |
| 欧化主義 | おうかしゅぎ | Europeanism | |
| 民主政治 | みんしゅせいじ | democratic government | |
| 民主社会 | みんしゅしゃかい | democratic society | |
| 独裁主義 | どくさいしゅぎ | dictatorship; despotism | |
| 破壊主義 | はかいしゅぎ | destructionism | |
| 神秘主義 | しんぴしゅぎ | mysticism | |
| 秘密主義 | ひみつしゅぎ | secretiveness | |
| 立憲君主 | りっけんくんしゅ | constitutional monarch | |
| 関税自主権 | かんぜいじしゅけん | tariff autonomy | |
| 主星 | しゅせい | primary star | |
| 主馬 | しゅめ | equerry | |
| 県主 | あがたぬし | territorial ruler (Yamato period) | |
| 主浴槽 | しゅよくそう | main bath (i.e. in a bathhouse) | |
| 主犯格 | しゅはんかく | key culprit; principal offender | |
| 主知的 | しゅちてき | intellectual | |
| 副主席 | ふくしゅせき | vice president (of China); vice chairman | |
| 動作主 | どうさしゅ | agent | |
| 坊主頭 | ぼうずあたま | close-cropped hair; shaven head | |
| 旧藩主 | きゅうはんしゅ | former feudal lord | |
| 民主制 | みんしゅせい | democracy; democratic system of government | |
| 牧場主 | ぼくじょうぬし | rancher; cattleman; person who owns or runs a ranch | |
| 蛸坊主 | たこぼうず | man with a bald or shaven head | |
| 造り主 | つくりぬし | maker; creator | |
| 主権国家 | しゅけんこっか | sovereign nation | |
| 主要産業 | しゅようさんぎょう | key industry; major industry | |
| 利己主義 | りこしゅぎ | egoism; egotism; selfishness | |
| 厳罰主義 | げんばつしゅぎ | severe punishment policy; zero-tolerance policy; draconianism | |
| 反共主義 | はんきょうしゅぎ | anticommunism; anti-communism | |
| 台湾坊主 | たいわんぼうず | atmospheric depression originating in Taiwan; cyclone in the East China Sea; spot baldness | |
| 君主主義 | くんしゅしゅぎ | monarchism; royalism | |
| 唯美主義 | ゆいびしゅぎ | aestheticism; estheticism | |
| 商業主義 | しょうぎょうしゅぎ | commercialism | |
| 国民主権 | こくみんしゅけん | sovereignty of the people | |
| 地域主義 | ちいきしゅぎ | regionalism; sectionalism; localism | |
| 家族主義 | かぞくしゅぎ | familism; the treatment of society (an organization) as a family | |
| 徳治主義 | とくちしゅぎ | principle of virtuous government; virtue as the principle of good government | |
| 悲観主義 | ひかんしゅぎ | pessimism | |
| 教条主義 | きょうじょうしゅぎ | dogmatism | |
| 福音主義 | ふくいんしゅぎ | evangelicalism; evangelism | |
| 絶対主義 | ぜったいしゅぎ | absolutism | |
| 絶対君主 | ぜったいくんしゅ | absolute monarch | |
| 能力主義 | のうりょくしゅぎ | meritocracy; merit system | |
| 自主退職 | じしゅたいしょく | voluntary retirement | |
| 自前主義 | じまえしゅぎ | (principle of) self-sufficiency | |
| 近代主義 | きんだいしゅぎ | modernism | |
| 連邦主義 | れんぽうしゅぎ | federalism | |
| 進化主義 | しんかしゅぎ | evolutionism | |
| 過激主義 | かげきしゅぎ | extremism; radicalism | |
| 株主優待券 | かぶぬしゆうたいけん | shareholder discount coupon; complimentary certificate for shareholders | |
| マルサス主義 | マルサスしゅぎ | Malthusianism | |
| 主色 | しゅしょく | predominant color; predominant colour | n2 |
| 専業主夫 | せんぎょうしゅふ | full-time househusband; stay-at-home dad | n2 |
| 主根 | しゅこん | main root; taproot | |
| 主版 | おもはん | key block (in woodblock printing) | |
| 主物 | しゅぶつ | the main thing | |
| 主応力 | しゅおうりょく | principal stress | |
| 主題曲 | しゅだいきょく | theme music; theme song | |
| 宗主国 | そうしゅこく | suzerain state | |
| 抱え主 | かかえぬし | employer (esp. of a geisha, prostitute, etc.); master; mistress | |
| 農園主 | のうえんしゅ | farm owner; plantation owner | |
| 領主制 | りょうしゅせい | manorial system; manorialism | |
| 主務大臣 | しゅむだいじん | the cabinet minister in charge | |
| 利他主義 | りたしゅぎ | altruism | |
| 大国主神 | おおくにぬしのかみ | Okuninushi; deity of magic and medicine later viewed as equivalent to Daikokuten and celebrated at Izumo Grand Shrine | |
| 実利主義 | じつりしゅぎ | utilitarianism | |
| 実力主義 | じつりょくしゅぎ | merit system (as opposed to seniority); meritocracy; ability-ism | |
| 幸福主義 | こうふくしゅぎ | eudaemonism; eudemonism | |
| 心理主義 | しんりしゅぎ | psychologism | |
| 本質主義 | ほんしつしゅぎ | essentialism | |
| 株主資本 | かぶぬししほん | shareholder's equity; capital stock | |
| 根本主義 | こんぽんしゅぎ | fundamentalism | |
| 業績主義 | ぎょうせきしゅぎ | meritocracy; performance-based system; achievement-based system | |
| 楽観主義 | らっかんしゅぎ | optimism | |
| 民主国家 | みんしゅこっか | democracy; democratic nation | |
| 法治主義 | ほうちしゅぎ | constitutionalism; rule of law; legalism | |
| 相対主義 | そうたいしゅぎ | relativism | |
| 立憲主義 | りっけんしゅぎ | constitutionalism | |
| 精神主義 | せいしんしゅぎ | spiritualism; idealism | |
| 自主練習 | じしゅれんしゅう | voluntary training; voluntary practice; free practice | |
| 自然宿主 | しぜんしゅくしゅ | natural host | |
| 議会主義 | ぎかいしゅぎ | parliamentarism | |
| 道具主義 | どうぐしゅぎ | instrumentalism | |
| 開発領主 | かいはつりょうしゅ | local warriors, or provincial or district officials, who developed paddy field lands | |
| 間主観性 | かんしゅかんせい | intersubjectivity | |
| 音節主音 | おんせつしゅおん | syllabic | |
| ご都合主義 | ごつごうしゅぎ | opportunism; double standards; timeserving; expediency | |
| 利己主義者 | りこしゅぎしゃ | egoist | |
| 国家主義者 | こっかしゅぎしゃ | nationalist | |
| 国粋主義者 | こくすいしゅぎしゃ | ultranationalist | |
| 完璧主義者 | かんぺきしゅぎしゃ | perfectionist | |
| 実存主義者 | じつぞんしゅぎしゃ | existentialist | |
| 毛沢東主義 | もうたくとうしゅぎ | Maoism | |
| 民主活動家 | みんしゅかつどうか | democratic activist | |
| 現実主義者 | げんじつしゅぎしゃ | a realist | |
| 軍国主義者 | ぐんこくしゅぎしゃ | militarist | |
| 反ユダヤ主義 | はんユダヤしゅぎ | anti-Semitism; antisemitism | |
| 御都合主義者 | ごつごうしゅぎしゃ | opportunist | |
| 照る照る坊主 | てるてるぼうず | paper doll to which children pray for fine weather (usu. white, and shaped like a Buddhist priest) | |
| 主述 | しゅじゅつ | subject and predicate | n3 |
| 主攻 | しゅこう | main attack | n1 |
| 主業 | しゅぎょう | one's main profession | n1 |
| 業主 | ぎょうしゅ | business operator | n1 |
| 倉主 | くらぬし | warehouse owner | |
| 吾主 | わぬし | you | |
| 和主 | わぬし | you | |
| 建主 | たてぬし | client (of a builder, etc.); person having something built or constructed | |
| 主キー | しゅキー | master key | |
| 主寝室 | しゅしんしつ | main bedroom; master bedroom | |
| 主張者 | しゅちょうしゃ | advocate | |
| 主計局 | しゅけいきょく | budget bureau | |
| 主調音 | しゅちょうおん | keynote | |
| 主謀者 | しゅぼうしゃ | ringleader; mastermind; leader (of a plot) | |
| 主遣い | おもづかい | chief puppeteer (bunraku); manipulates the head and right arm | |
| 主食物 | しゅしょくぶつ | staple food; main article of diet | |
| 党主席 | とうしゅせき | party chairman (esp. in China, Taiwan, etc.); party leader | |
| 商店主 | しょうてんしゅ | storekeeper; shopkeeper; proprietor of a shop | |
| 株主権 | かぶぬしけん | stockholder's right | |
| 民主国 | みんしゅこく | democratic state | |
| 青坊主 | あおぼうず | shaved head; person with a shaved head | |
| 中立主義 | ちゅうりつしゅぎ | neutralism | |
| 主権回復 | しゅけんかいふく | restoration of sovereignty | |
| 主要業務 | しゅようぎょうむ | primary business; primary function; primary focus | |