| 交通 | こうつう | traffic; transportation; communication; exchange (of ideas, etc.) | n3 |
| 交換 | こうかん | exchange; interchange; switching; reciprocity | n3 |
| 交渉 | こうしょう | negotiations; bargaining; discussions; talks | n2 |
| 交 | こもごも | alternately; in succession | |
| 交際 | こうさい | company; friendship; association; society | n1 |
| 外交文書 | がいこうぶんしょ | diplomatic papers or documents | |
| 交流 | こうりゅう | exchange (e.g. cultural); interchange; interaction; mingling | n3 |
| 交う | かう | to pass each other; to brush past each other; to mingle together | n1 |
| 交える | まじえる | to mix; to combine; to include; to exchange (words, fire, etc.) | n1 |
| 交す | かわす | to exchange (messages, greetings, arguments, etc.); to intersect; to cross; to interlace | n2 |
| 外交 | がいこう | diplomacy; selling (e.g. door-to-door); canvassing | n1 |
| 交わす | かわす | to exchange (messages, greetings, arguments, etc.); to intersect; to cross; to interlace | n2 |
| 交代 | こうたい | change; alternation; rotation; replacement | n2 |
| 社交 | しゃこう | social life; social intercourse | n1 |
| 交錯 | こうさく | mixture; blending; complication; crossing | n1 |
| 交付 | こうふ | delivery; issuance; handing over; granting | n1 |
| 交わる | まじわる | to cross; to intersect; to join; to meet | |
| 没交渉 | ぼっこうしょう | lack of relation (to); independence (of) | |
| 交ぜる | まぜる | to mix; to stir; to blend | n3 |
| 交響曲 | こうきょうきょく | symphony | |
| 交番 | こうばん | police box; koban; small neighborhood police station; alternation | n5 |
| 交叉 | こうさ | crossing; intersection; (genetic) crossing over | |
| 交互 | こうご | alternate; alternating | n1 |
| 交差点 | こうさてん | crossing; intersection | n5 |
| 交替 | こうたい | change; alternation; rotation; replacement | n2 |
| 交じる | まじる | to be mixed; to be blended with; to be combined; to associate with | n2 |
| 交易 | こうえき | trade; commerce | n1 |
| 交差 | こうさ | crossing; intersection; (genetic) crossing over | |
| 交友 | こうゆう | friend; companion; acquaintance; friendship | |
| 飛び交う | とびかう | to fly about; to flutter about; to flit about; to fly past each other | n1 |
| 絶交 | ぜっこう | breaking off a relationship; permanent breach of friendship; rupture | n1 |
| 親交 | しんこう | intimacy; friendship; friendly relations | n1 |
| 交わり | まじわり | acquaintance; relations; fellowship; sexual intercourse | |
| 交通事故 | こうつうじこ | traffic accident | n3 |
| 交互に | こうごに | alternately; by turns; one after the other | |
| 交戦 | こうせん | war; battle; hostilities | |
| 国土交通省 | こくどこうつうしょう | Ministry of Land, Infrastructure, Transport and Tourism; MLIT | |
| 交響楽 | こうきょうがく | symphonic music; symphony | |
| 性交 | せいこう | sexual intercourse; sex; coitus | n4 |
| 行き交う | ゆきかう | to come and go; to go back and forth | n1 |
| 交尾 | こうび | copulation (among animals); mating; treading; covering | |
| 交配 | こうはい | mating; crossbreeding; cross-fertilization; cross-fertilisation | n1 |
| 交感神経 | こうかんしんけい | sympathetic nerve | |
| 交誼 | こうぎ | friendship; amity | n3 |
| 交響 | こうきょう | reverberation | n3 |
| 交情 | こうじょう | intimacy; friendship | n4 |
| 交遊 | こうゆう | friendship; companionship; fraternity; comradeship | |
| 交流会 | こうりゅうかい | gathering; mixer; meetup; assembly | |
| 交通費 | こうつうひ | traveling expenses; travelling expenses; carfare | n3 |
| 公共交通 | こうきょうこうつう | public transportation; public transport | |
| 交通局 | こうつうきょく | traffic bureau; transportation bureau | |
| 副交感神経 | ふくこうかんしんけい | parasympathetic nerve | |
| 取交す | とりかわす | to exchange; to interchange | n1 |
| 国交 | こっこう | diplomatic relations | |
| 直交 | ちょっこう | orthogonal | |
| 情交 | じょうこう | sexual intercourse; sexual liaison; intimacy | |
| 交通違反 | こうつういはん | traffic violation | |
| 取り交わす | とりかわす | to exchange; to interchange | n1 |
| 社交的 | しゃこうてき | sociable | |
| 言い交す | いいかわす | to have a chat with; to exchange words or promises; to promise; to get engaged | |
| 交歓 | こうかん | exchange of courtesies (cordialities); fraternization; fraternisation | n3 |
| 交雑 | こうざつ | hybridization; crossing; mixing | |
| 再交付 | さいこうふ | reissue; regrant | |
| 交感 | こうかん | rapport; mutual sympathy | n3 |
| 交点 | こうてん | point of intersection | |
| 旧交 | きゅうこう | old friendship | n3 |
| 示談交渉 | じだんこうしょう | settlement negotiation (insurance) | |
| 道路交通法 | どうろこうつうほう | Road Traffic Act | |
| 見交わす | みかわす | to exchange glances | |
| 混交 | こんこう | mixture; intermixture; mixing up; jumbling together | |
| 交通機関 | こうつうきかん | (means of) transportation; transport; transportation facilities; transportation system | n3 |
| 交合 | こうごう | sexual union; congress | |
| 外交官 | がいこうかん | diplomat | |
| 国際交流 | こくさいこうりゅう | international exchange | |
| 交代制 | こうたいせい | shift system | |
| 入交 | いりまじり | mixing with; being mixed | |
| 性交渉 | せいこうしょう | sexual relations | |
| 意見交換 | いけんこうかん | exchange of ideas; exchange of opinions; brainstorming | |
| 交通手段 | こうつうしゅだん | means of transportation; transportation system; way of getting around | |
| 行交う | ゆきかう | to come and go; to go back and forth | n1 |
| 入り交じる | いりまじる | to mix (with); to be mixed (together); to be mingled | n2 |
| 交接 | こうせつ | sexual intercourse; copulation; mating | |
| 交通安全 | こうつうあんぜん | traffic safety; driving safety; road safety | |
| 酌み交わす | くみかわす | to pour drinks for each other; to drink together | |
| 手交 | しゅこう | handing over; delivery (by hand) | n1 |
| 参勤交代 | さんきんこうたい | daimyo's alternating Edo residence; official attendance service (by a daimyo in the Edo period) | |
| 三相交流 | さんそうこうりゅう | three-phase alternating current | |
| 交付金 | こうふきん | subsidy; grant; bounty | |
| 交通アクセス | こうつうアクセス | traffic access; transportation access | |
| 交趾 | コーチン | Cochin (breed of chicken) | |
| 物々交換 | ぶつぶつこうかん | barter; bartering | |
| 交渉人 | こうしょうにん | negotiator; bargainer; point man | |
| 交通規制 | こうつうきせい | traffic restrictions; traffic control | |
| 参覲交代 | さんきんこうたい | daimyo's alternating Edo residence; official attendance service (by a daimyo in the Edo period) | |
| 交渉力 | こうしょうりょく | bargaining ability; bargaining power; ability to negotiate | |
| 交渉役 | こうしょうやく | negotiator; deal-maker | |
| 目交ぜ | めまぜ | winking | |
| 交代勤務 | こうたいきんむ | shift work | |
| 酌み交す | くみかわす | to pour drinks for each other; to drink together | |
| 交信 | こうしん | telecommunications; correspondence | n2 |
| 交通量 | こうつうりょう | traffic; traffic volume | |
| 交流戦 | こうりゅうせん | exhibition game; friendly match; friendly; interleague game between the Central and Pacific baseball leagues | |
| 交通網 | こうつうもう | transportation network; transport network; traffic network | |
| 交友関係 | こうゆうかんけい | one's relationships; people one knows; circle of friends | |
| 交じり | まじり | mixed with; mingled with; interspersed with; dashed with | |
| 交換可能 | こうかんかのう | exchangeable; convertible; transferable; replaceable | |
| 情報交換 | じょうほうこうかん | exchange of information | |
| 仮名交じり | かなまじり | mixed writing (kanji and kana) | |
| 不同意性交等 | ふどういせいこうとう | non-consensual sexual intercourse | |
| 交驩 | こうかん | exchange of courtesies (cordialities); fraternization; fraternisation | n3 |
| 交通法 | こうつうほう | traffic laws | |
| 交際相手 | こうさいあいて | person one is dating; significant other; partner; boyfriend | |
| 名刺交換 | めいしこうかん | exchanging business cards | |
| 交際費 | こうさいひ | entertainment expenses | |
| 交雑種 | こうざつしゅ | hybrid; crossbreed; cross | |
| 社交性 | しゃこうせい | sociability | |
| 言い交わす | いいかわす | to have a chat with; to exchange words or promises; to promise; to get engaged | |
| 援助交際 | えんじょこうさい | paid dating (esp. with an underage girl; oft. involving selling of sex); compensated dating | |
| 交ざる | まざる | to be mixed; to be blended with; to associate with; to mingle with | n2 |
| 交替制 | こうたいせい | shift system | |
| 筋交い | すじかい | diagonal; oblique; brace | |
| 海上交通 | かいじょうこうつう | marine traffic; sea traffic | |
| 羽交締め | はがいじめ | full nelson | |
| 国交省 | こっこうしょう | Ministry of Land, Infrastructure, Transport and Tourism; MLIT | |
| 社交辞令 | しゃこうじれい | something said for politeness' sake; diplomatic language; honeyed words; lip service | |
| 道路交通 | どうろこうつう | road traffic | |
| 断交 | だんこう | breaking off relations (esp. between countries) | |
| 交換手 | こうかんしゅ | operator (e.g. telephone) | |
| 外交的 | がいこうてき | diplomatic | |
| 斜交い | はすかい | aslant; oblique; diagonal; askew | |
| 交霊 | こうれい | summoning spirits; calling down spirits; spirit evocation; communing with spirits | n1 |
| 交際中 | こうさいちゅう | in a relationship | |
| 交代行列 | こうたいぎょうれつ | skew-symmetric matrix | |
| 交流回路 | こうりゅうかいろ | alternating current circuit; AC circuit | |
| 外交政策 | がいこうせいさく | foreign policy | |
| 熱交換器 | ねつこうかんき | heat exchanger | |
| 通交 | つうこう | friendly relations | n3 |
| 交渉術 | こうしょうじゅつ | negotiation skills; negotiation tactics; art of negotiation | |
| 交配種 | こうはいしゅ | crossbreed; hybrid | |
| 性交等 | せいこうとう | sexual intercourse | |
| 政権交代 | せいけんこうたい | change of government; regime change | |
| 交換型 | こうかんがた | switched | |
| 停戦交渉 | ていせんこうしょう | ceasefire negotiations | |
| 外交関係 | がいこうかんけい | diplomatic relations | |
| 文化交流 | ぶんかこうりゅう | cultural exchange | |
| 交織 | こうしょく | mixed weave | |
| 交歓会 | こうかんかい | reception | |
| 交通路 | こうつうろ | traffic route | |
| 交響詩 | こうきょうし | symphonic poem | |
| 性交痛 | せいこうつう | dyspareunia; painful intercourse | |
| 社交場 | しゃこうじょう | social meeting place; watering hole | |
| 綯い交ぜる | ないまぜる | to twist (threads of different colours) together (into a string); to entwine; to interweave; to mix | |
| 航空交通管制 | こうくうこうつうかんせい | air traffic control | |
| 交る | まじる | to be mixed; to be blended with; to be combined; to associate with | n2 |
| 乱交 | らんこう | promiscuity; group sex | |
| 肉交 | にくこう | sexual intercourse | |
| 交換台 | こうかんだい | (telephone) switchboard; switchboard operator | |
| 交換条件 | こうかんじょうけん | bargaining point; terms of exchange; conditions for meeting a demand | |
| 交流分析 | こうりゅうぶんせき | transactional analysis | |
| 交通の便 | こうつうのべん | transportation access; access to (public) transportation; convenience of access (by road or rail); transport links | |
| 交通弱者 | こうつうじゃくしゃ | vulnerable road users (such as the elderly, mobility-impaired people and young children); people without public transport access; transport poor | |
| 交通整理 | こうつうせいり | traffic control | |
| 交通渋滞 | こうつうじゅうたい | traffic congestion; traffic jam; (traffic) deadlock | |
| 株式交換 | かぶしきこうかん | stock swap; share exchange | |
| 玉石混交 | ぎょくせきこんこう | mixed bag; mixture of good and bad; jumble of wheat and chaff; mixture of precious gems and common rocks | |
| 都市交通 | としこうつう | urban transport; urban transit | |
| 交付年月日 | こうふねんがっぴ | date of issuance (e.g. of a license or passport) | |
| 社交ダンス | しゃこうダンス | social dance; ballroom dancing | |
| 副交感神経系 | ふくこうかんしんけいけい | parasympathetic nervous system; PSNS | |
| 修交 | しゅうこう | amity; friendship | |
| 交通事情 | こうつうじじょう | traffic conditions (e.g. heavy traffic); transportation situation (e.g. bad roads) | |
| 価格交渉 | かかくこうしょう | price negotiation | |
| 立体交差 | りったいこうさ | multi-level crossing (of roads to avoid intersection); two-level crossing; cloverleaf interchange; grade separation | |
| 肛門性交 | こうもんせいこう | anal sex; anal intercourse | |
| 遠交近攻 | えんこうきんこう | policy of cultivating distant countries while working to conquer those nearby | |
| かな交じり | かなまじり | mixed writing (kanji and kana) | |
| 深交 | しんこう | close friendship | n1 |
| 交角 | こうかく | angle of intersection | |
| 和平交渉 | わへいこうしょう | peace talks; peace negotiations | |
| 性交体位 | せいこうたいい | sex position | |
| 等価交換 | とうかこうかん | fair exchange; equivalent exchange; exchange of equal value | |
| 電話交換手 | でんわこうかんしゅ | telephone operator | |
| 交通情報 | こうつうじょうほう | traffic report; information on traffic flow; transportation information | |
| 交響楽団 | こうきょうがくだん | symphony orchestra | |
| 外交交渉 | がいこうこうしょう | diplomatic negotiations; negotiations through diplomatic channels | |
| 直交座標 | ちょっこうざひょう | Cartesian coordinates; rectangular coordinates | |
| 交感神経系 | こうかんしんけいけい | sympathetic nervous system; SNS | |
| 環状交差点 | かんじょうこうさてん | roundabout; rotary; traffic circle | |
| 羽交い締め | はがいじめ | full nelson | |
| 国土交通大臣 | こくどこうつうだいじん | Minister of Land, Infrastructure and Transport | |
| 日本交通公社 | にほんこうつうこうしゃ | Japan Travel Bureau Foundation (JTB) | |
| 交じり合う | まじりあう | to be mixed together; to be blended; to intermingle; to commingle | n2 |
| 交換品 | こうかんひん | thing bartered; trade-in; substitute; replacement | |
| 交渉事 | こうしょうごと | negotiating; bargaining | |
| 内交渉 | うちこうしょう | preliminary negotiations | |
| 外交員 | がいこういん | canvasser; door-to-door salesman | |
| 社交界 | しゃこうかい | high society | |
| 交互配置 | こうごはいち | interleaving | |
| 交替勤務 | こうたいきんむ | shift work | |
| 国交樹立 | こっこうじゅりつ | establishment of diplomatic relations | |
| 奈良交通 | ならこうつう | Nara Kotsu Bus Company | |
| 契約交渉 | けいやくこうしょう | contract negotiation; contract discussion | |
| 近親交配 | きんしんこうはい | inbreeding | |
| 不同意性交 | ふどういせいこう | non-consensual sexual intercourse | |
| 交戦者 | こうせんしゃ | combatant; interested party in warfare; warring nation; belligerent | |
| 交換器 | こうかんき | (telephone) switchboard | |
| 交換機 | こうかんき | switch | |
| 外交団 | がいこうだん | diplomatic corps | |
| 混交林 | こんこうりん | mixed forest | |
| 道交法 | どうこうほう | Road Traffic Act | |
| 世代交代 | せだいこうたい | alternation of generations; heterogenesis; change of generations; emergence of a new generation | |
| 交換日記 | こうかんにっき | diary shared between friends (who take turns writing entries); exchange diary | |
| 交渉ごと | こうしょうごと | negotiating; bargaining | |
| 口内性交 | こうないせいこう | oral sex; fellatio | |
| 国交断絶 | こっこうだんぜつ | breakup of diplomatic relations; diplomatic break | |
| 外交活動 | がいこうかつどう | diplomatic activity | |
| 真剣交際 | しんけんこうさい | serious relationship (esp. one with the prospect of marriage) | |
| 交媾 | こうこう | sexual union | n5 |
| 目交 | まなかい | between one's eyes; before one's eyes; space where one's left and right eyesight meet | |
| 交尾期 | こうびき | mating season | |
| 交戦国 | こうせんこく | warring nations; belligerents | |
| 交戦権 | こうせんけん | right of belligerency | |
| 交易路 | こうえきろ | trade route | |
| 交通課 | こうつうか | traffic division (of a police department) | |
| 交際術 | こうさいじゅつ | social skills | |
| 外交上 | がいこうじょう | diplomatic; diplomatically | |
| 外交部 | がいこうぶ | Ministry of Foreign Affairs (China) | |
| 昇交点 | しょうこうてん | ascending node | |
| 直交性 | ちょっこうせい | orthogonal; quadrature component | |
| 交じり気 | まじりけ | mixture; impurities | |
| 交換価値 | こうかんかち | exchange value | |
| 交流電源 | こうりゅうでんげん | alternator; AC generator | |
| 交通戦争 | こうつうせんそう | chaos on the roads; traffic war | |
| 外交問題 | がいこうもんだい | diplomatic issue | |
| 平面交差 | へいめんこうさ | grade crossing; level crossing | |
| 心の交流 | こころのこうりゅう | spiritual exchange; reciprocal flow of feeling | |
| 異種交配 | いしゅこうはい | crossbreeding | |
| 相互交流 | そうごこうりゅう | mutual exchange | |
| 友交 | ゆうこう | friendship; amity; companionship | n2 |
| 交絡 | こうらく | interrelationship; statistics confounding | n1 |
| 復交 | ふっこう | restoration of diplomatic relations | n1 |
| 交差位 | こうさい | scissoring (sexual practice); crossed position | n1 |
| 交喙 | イスカ | common crossbill (Loxia curvirostra) | |
| 交連 | こうれん | commissura; commissurae; commissure; commissural | |
| 雑交 | ざっこう | hybridization; crossing | |
| 不交付 | ふこうふ | not granted | |
| 交尾器 | こうびき | copulatory organ | |
| 交換局 | こうかんきょく | (telephone) exchange; (international) postal exchange (that handles customs clearance, etc.) | |
| 交易会 | こうえきかい | trade fair; trade exposition | |
| 交易船 | こうえきせん | merchant ship; trading ship | |
| 交渉団 | こうしょうだん | negotiation team; negotiating body | |
| 交際上 | こうさいじょう | as a matter of social courtesy | |
| 再交渉 | さいこうしょう | renegotiation | |
| 外交家 | がいこうか | diplomat; diplomatic person | |
| 社交家 | しゃこうか | sociable person | |
| 視交叉 | しこうさ | optic chiasm; optic chiasma | |
| 不良交友 | ふりょうこうゆう | getting mixed up with the wrong people; getting into bad company | |
| 交戦地帯 | こうせんちたい | battle zone | |
| 交換留学 | こうかんりゅうがく | (student) exchange; study abroad | |
| 交易条件 | こうえきじょうけん | terms of trade | |
| 交渉決裂 | こうしょうけつれつ | breakdown of negotiations | |
| 交通工学 | こうつうこうがく | transportation engineering; transport engineering; traffic engineering | |
| 交通標識 | こうつうひょうしき | traffic sign | |
| 人材交流 | じんざいこうりゅう | personnel exchange; people-to-people exchange | |
| 勤務交代 | きんむこうたい | change of shifts | |
| 単相交流 | たんそうこうりゅう | single-phase alternating current | |
| 口腔性交 | こうくうせいこう | oral sex | |
| 回線交換 | かいせんこうかん | circuit switching | |
| 団体交渉 | だんたいこうしょう | collective bargaining | |
| 外交使節 | がいこうしせつ | diplomat | |
| 外交努力 | がいこうどりょく | diplomatic efforts | |
| 外交販売 | がいこうはんばい | traveling sales | |
| 対面交通 | たいめんこうつう | walking so that one faces oncoming traffic | |
| 強制性交 | きょうせいせいこう | forcible sexual intercourse; rape | |
| 性交疼痛 | せいこうとうつう | dyspareunia; painful intercourse | |
| 接見交通 | せっけんこうつう | (defendant's) access to a lawyer | |
| 社交上手 | しゃこうじょうず | social ease (facility, skills); being a good mixer | |
| 経済外交 | けいざいがいこう | economic diplomacy | |
| 行き交い | ゆきかい | coming and going; traffic | |
| 軟弱外交 | なんじゃくがいこう | weak foreign policy; weak-kneed diplomacy | |
| 交わし合う | かわしあう | to intercommunicate; to exchange (messages, vows, etc.) | |
| 価値観外交 | かちかんがいこう | value-oriented diplomacy | |
| 外交使節団 | がいこうしせつだん | diplomatic mission | |
| 外交委員長 | がいこういいんちょう | head of the Foreign Relations Committee | |
| 異文化交流 | いぶんかこうりゅう | cultural exchange; cross-cultural communication; contacts between different cultures | |
| 道交法違反 | どうこうほういはん | traffic infringement; traffic law violation | |
| 電話交換機 | でんわこうかんき | telephone switchboard | |
| 鼻歌交じり | はなうたまじり | humming a tune (while doing something else) | |
| 東京交通短期大学 | とうきょうこうつうたんきだいがく | Tokyo College of Transport Studies | |
| 交ず | まず | to mix; to stir; to blend | n5 |
| 交叉点 | こうさてん | crossing; intersection | n5 |
| 交譲 | こうじょう | concession; compromise | n4 |
| 交宜 | こうぎ | friendship; amity | n3 |
| 交款 | こうかん | exchange of courtesies (cordialities); fraternization; fraternisation | n3 |
| かき交ぜる | かきまぜる | to mix; to stir; to scramble; to churn | n3 |
| 掻き交ぜる | かきまぜる | to mix; to stir; to scramble; to churn | n3 |
| 搔き交ぜる | かきまぜる | to mix; to stir; to scramble; to churn | n3 |
| 交じりあう | まじりあう | to be mixed together; to be blended; to intermingle; to commingle | n2 |
| 交読 | こうどく | reading responsively | n1 |
| 交附 | こうふ | delivery; grant; handing (a ticket) to (a person) | n1 |
| 斜交 | しゃこう | oblique | n1 |
| 交うる | まじえる | to mix; to combine; to include; to exchange (words, fire, etc.) | n1 |
| 出交す | でくわす | to happen to meet; to come across; to run into; to bump into | n1 |
| とび交う | とびかう | to fly about; to flutter about; to flit about; to fly past each other | n1 |
| 取交わす | とりかわす | to exchange; to interchange | n1 |
| とり交わす | とりかわす | to exchange; to interchange | n1 |
| 交々 | こもごも | alternately; in succession | |
| 交交 | こもごも | alternately; in succession | |
| 交機 | こうき | police mobile traffic unit | |
| 交游 | こうゆう | friendship; companionship; fraternity; comradeship | |
| 交直 | こうちょく | alternating current and direct current; AC/DC | |
| 交詢 | こうじゅん | promotion of social intercourse | |
| 交迭 | こうてつ | change (of personnel); reshuffle (e.g. of a cabinet); shake-up; dismissal (e.g. of a minister) | |
| 団交 | だんこう | collective bargaining | |
| 婚交 | こんこう | sexual intercourse | |
| 援交 | えんこう | paid dating (esp. with an underage girl; oft. involving selling of sex); compensated dating | |
| 二交替 | にこうたい | day and night shift work schedule | |
| 交付者 | こうふしゃ | deliverer; donor | |
| 交代で | こうたいで | alternately; by turns | |
| 交代員 | こうたいいん | shift (of workmen) | |
| 交叉路 | こうさろ | intersection; crossroad; cross streets | |
| 交声曲 | こうせいきょく | cantata | |
| 交尾む | つるむ | to copulate (animals); to mate | |
| 交差性 | こうさせい | intersectionality (social and political identity framework) | |
| 交差路 | こうさろ | intersection; crossroad; cross streets | |
| 交換円 | こうかんえん | convertible yen | |
| 交換嬢 | こうかんじょう | telephone operator | |
| 交換子 | こうかんし | commutator | |
| 交換所 | こうかんじょ | clearing house; clearinghouse; (currency) exchange; bureau de change | |
| 交換網 | こうかんもう | switching network | |
| 交換船 | こうかんせん | repatriation ship | |
| 交易品 | こうえきひん | trade goods; bartered goods | |
| 交替形 | こうたいけい | alternant | |
| 交渉員 | こうしょういん | negotiators | |
| 交番所 | こうばんしょ | police box | |
| 交織り | まぜおり | mixed weave | |
| 交読文 | こうどくぶん | responsive readings | |
| 交譲木 | ゆずりは | false daphne (Daphniphyllum macropodum); yuzuriha | |
| 交通圏 | こうつうけん | traffic area; traffic block | |
| 交通禍 | こうつうか | traffic disaster; traffic accident | |
| 交際国 | こうさいこく | friendly powers; treaty powers | |
| 交際官 | こうさいかん | diplomat; diplomatist | |
| 交際家 | こうさいか | sociable person | |
| 交際法 | こうさいほう | etiquette; social code | |
| 交霊会 | こうれいかい | spiritism session; seance | |
| 交霊術 | こうれいじゅつ | necromancy; spiritism; spiritualism | |
| 人交り | ひとまじわり | association with people | |
| 国交相 | こっこうしょう | Minister of Land, Infrastructure and Transportation | |
| 外交史 | がいこうし | history of diplomacy; history of foreign policy | |
| 外交筋 | がいこうすじ | diplomatic source | |
| 外交術 | がいこうじゅつ | diplomacy; state-craft | |
| 外交配 | がいこうはい | outcrossing; outbreeding | |
| 差交す | さしかわす | to cross | |
| 斜交群 | しゃこうぐん | symplectic group | |
| 斜交軸 | しゃこうじく | oblique axis | |
| 目交い | まなかい | between one's eyes; before one's eyes; space where one's left and right eyesight meet | |
| 社交室 | しゃこうしつ | day room (e.g. on a liner); lounge; social hall | |
| 社交服 | しゃこうふく | party clothes; evening clothes | |
| 絶交状 | ぜっこうじょう | letter breaking off relations; Dear John letter | |
| 羽交い | はがい | wings; pinion | |
| 腟性交 | ちつせいこう | vaginal intercourse; vaginal sex | |
| 膣性交 | ちつせいこう | vaginal intercourse; vaginal sex | |
| 行交い | ゆきかい | coming and going; traffic | |
| 視交差 | しこうさ | optic chiasm; optic chiasma | |
| 言交す | いいかわす | to have a chat with; to exchange words or promises; to promise; to get engaged | |
| 近交系 | きんこうけい | inbred line; inbred strain | |
| 酌交す | くみかわす | to pour drinks for each other; to drink together | |
| 銀交換 | ぎんこうかん | exchange of silver generals | |
| 降交点 | こうこうてん | descending node | |
| ない交ぜ | ないまぜ | mixture; jumble; blend; weaving together | |
| はす交い | はすかい | aslant; oblique; diagonal; askew | |
| ガス交換 | ガスこうかん | gas exchange | |
| セル交換 | セルこうかん | cell switching | |
| ドル外交 | ドルがいこう | dollar diplomacy | |
| ロケ交渉 | ロケこうしょう | negotiating for permission to film (in a specific location) | |
| 一方交通 | いっぽうこうつう | one-way traffic | |
| 世代交替 | せだいこうたい | alternation of generations; heterogenesis; change of generations; emergence of a new generation | |
| 中絶性交 | ちゅうぜつせいこう | coitus interruptus; withdrawal before ejaculation | |
| 予備交渉 | よびこうしょう | preliminary negotiations | |
| 二重外交 | にじゅうがいこう | dual diplomacy | |
| 交しあう | かわしあう | to intercommunicate; to exchange (messages, vows, etc.) | |
| 交し合う | かわしあう | to intercommunicate; to exchange (messages, vows, etc.) | |
| 交ぜ書き | まぜがき | writing some characters (esp. complex kanji) of a compound as kana instead of kanji | |
| 交ぜ織り | まぜおり | mixed weave | |
| 交互作用 | こうごさよう | (mutual) interaction; reciprocal action; interplay | |
| 交互接種 | こうごせっしゅ | cross-vaccination; vaccination with different vaccines | |
| 交互計算 | こうごけいさん | open account; running account; current account; mutual account | |
| 交代パス | こうたいパス | alternate path | |
| 交代交代 | こうたいごうたい | taking turns | |
| 交代作業 | こうたいさぎょう | working in shifts | |
| 交代投手 | こうたいとうしゅ | relief pitcher | |
| 交代操業 | こうたいそうぎょう | working in shifts | |
| 交代級数 | こうたいきゅうすう | alternating series | |
| 交代選手 | こうたいせんしゅ | substitute player; substitution | |
| 交喙の嘴 | いすかのはし | (something) not coming together (as one had hoped or expected); unfortunate turn of events; unexpected turn; (a) crossbill's beak (which has differently shaped upper and lower parts) | |
| 交差検定 | こうさけんてい | cross-validation | |
| 交戦団体 | こうせんだんたい | belligerent communities; armed resistance group | |
| 交換分合 | こうかんぶんごう | exchange and consolidation (of lands) | |
| 交換回線 | こうかんかいせん | switched line | |
| 交換学生 | こうかんがくせい | exchange student | |
| 交換接続 | こうかんせつぞく | switched connection | |
| 交換教授 | こうかんきょうじゅ | exchange professor | |
| 交換様式 | こうかんようしき | interchange format | |
| 交換機能 | こうかんきのう | exchange function; swapping capability | |
| 交換殺人 | こうかんさつじん | murder swap; murder exchange; murder of each other's targets by co-conspirators | |
| 交換法則 | こうかんほうそく | commutative law | |
| 交換需要 | こうかんじゅよう | demand for replacement; request for replacement; need for replacement | |
| 交替神教 | こうたいしんきょう | kathenotheism | |
| 交替装置 | こうたいそうち | alternate device | |
| 交流人事 | こうりゅうじんじ | personnel shuffle | |
| 交流人口 | こうりゅうじんこう | nonresident population | |
| 交流会議 | こうりゅうかいぎ | exchange conference (e.g. cultural, educational, etc.); exchange meeting | |
| 交流試合 | こうりゅうじあい | interleague game; interleague match | |
| 交渉委員 | こうしょういいん | negotiating committeemen | |
| 交渉姿勢 | こうしょうしせい | negotiating posture; attitude to negotiations; negotiating behaviour | |
| 交番応力 | こうばんおうりょく | alternating stress | |
| 交番電流 | こうばんでんりゅう | alternating current; AC | |
| 交通マヒ | こうつうまひ | traffic standstill; traffic paralysis | |
| 交通信号 | こうつうしんごう | traffic light; traffic signal | |
| 交通公社 | こうつうこうしゃ | (Japan) Travel Bureau | |
| 交通問題 | こうつうもんだい | traffic problem | |
| 交通地獄 | こうつうじごく | traffic hell; traffic congestion | |
| 交通妨害 | こうつうぼうがい | traffic obstruction | |
| 交通巡査 | こうつうじゅんさ | traffic officer | |
| 交通規則 | こうつうきそく | traffic rules | |
| 交通計画 | こうつうけいかく | transportation planning | |
| 交通警察 | こうつうけいさつ | traffic police | |
| 交通道徳 | こうつうどうとく | traffic ethics | |
| 交通遮断 | こうつうしゃだん | blockage; quarantine | |
| 交通遺児 | こうつういじ | child orphaned from a traffic accident | |
| 交通麻痺 | こうつうまひ | traffic standstill; traffic paralysis | |
| 交際上手 | こうさいじょうず | good at socializing; sociability; being a good mixer | |
| 交際下手 | こうさいべた | bad at socializing; bad in social situation; being a bad mixer | |
| 交際場裏 | こうさいじょうり | social circles; arena of (fashionable) society | |
| 交際場裡 | こうさいじょうり | social circles; arena of (fashionable) society | |
| 交際好き | こうさいずき | sociable | |
| 交際嫌い | こうさいぎらい | unsociable; introverted | |
| 交際社会 | こうさいしゃかい | society; social circles | |
| 交際範囲 | こうさいはんい | circle of acquaintance | |
| 交項級数 | こうこうきゅうすう | alternating series | |
| 人才交流 | じんざいこうりゅう | personnel exchange; people-to-people exchange | |
| 人権外交 | じんけんがいこう | human rights diplomacy | |
| 人財交流 | じんざいこうりゅう | personnel exchange; people-to-people exchange | |
| 債務交換 | さいむこうかん | debt swap | |
| 兄妹交配 | きょうだいこうはい | brother-sister inbreeding; sibling mating | |
| 公開外交 | こうかいがいこう | open diplomacy | |
| 共同絶交 | きょうどうぜっこう | ostracism (from a village or community) | |
| 力の外交 | ちからのがいこう | power diplomacy | |
| 加工交易 | かこうこうえき | processing trade (importing all or part of raw and auxiliary materials, parts, components, accessories, and packaging materials in bond from a foreign company, and re-exporting the finished products after processing or assembly for distribution and sale by that foreign company) | |
| 労使交渉 | ろうしこうしょう | labor-management negotiation; labour-management negotiation | |
| 労働交渉 | ろうどうこうしょう | labor negotiation; labour negotiation | |
| 参勤交替 | さんきんこうたい | daimyo's alternating Edo residence; official attendance service (by a daimyo in the Edo period) | |
| 善隣外交 | ぜんりんがいこう | good-neighbor diplomacy; a good-neighbor policy | |
| 塵紙交換 | ちりがみこうかん | collecting waste paper (old newspapers, etc.) and exchanging them for toilet paper | |
| 外交の才 | がいこうのさい | diplomatic talent | |
| 外交体制 | がいこうたいせい | diplomatic structure | |
| 外交公電 | がいこうこうでん | diplomatic cable; diplomatic telegram | |
| 外交官補 | がいこうかんほ | probationary diplomat | |
| 外交弱勢 | がいこうじゃくせい | outbreeding depression | |
| 外交手腕 | がいこうしゅわん | diplomatic finesse; skill(s) in diplomacy | |
| 外交旅券 | がいこうりょけん | diplomatic passport | |
| 外交機関 | がいこうきかん | diplomatic institution | |
| 外交特権 | がいこうとっけん | diplomatic immunity | |
| 外交行嚢 | がいこうこうのう | diplomatic bag; diplomatic pouch | |
| 外交辞令 | がいこうじれい | diplomatic turn of phrase; diplomatic language; tactful way of expressing something | |
| 大脳交連 | だいのうこうれん | cerebral commissure | |
| 大衆団交 | たいしゅうだんこう | mass (labor) negotiation; mass bargaining session; public negotiation | |
| 婚前交渉 | こんぜんこうしょう | premarital sexual relations | |
| 婚外交渉 | こんがいこうしょう | extramarital sex | |
| 婚外性交 | こんがいせいこう | adultery; extra-marital intercourse | |
| 差交わす | さしかわす | to cross | |
| 市営交通 | しえいこうつう | municipal transportation; city transport | |
| 広報外交 | こうほうがいこう | public diplomacy | |
| 弱腰外交 | よわごしがいこう | weak foreign policy; weak-kneed diplomacy | |
| 往き交い | ゆきかい | coming and going; traffic | |
| 微笑外交 | ほほえみがいこう | smile diplomacy | |
| 性交不能 | せいこうふのう | apareunia; impotence | |
| 悲喜交々 | ひきこもごも | bittersweet; having mingled feelings of joy and sorrow; joy and sorrow alternating in one's heart | |
| 悲喜交交 | ひきこもごも | bittersweet; having mingled feelings of joy and sorrow; joy and sorrow alternating in one's heart | |
| 戦狼外交 | せんろうがいこう | wolf warrior diplomacy | |
| 戯交わす | ざれかわす | to exchange jokes | |
| 戻し交配 | もどしこうはい | backcrossing (crossing a hybrid with one of its parents); backcross | |
| 戻し交雑 | もどしこうざつ | backcrossing | |
| 技術交換 | ぎじゅつこうかん | technology exchange | |
| 捕虜交換 | ほりょこうかん | prisoner exchange | |
| 提携交渉 | ていけいこうしょう | tie-up negotiations; tie-up talks | |
| 政治交渉 | せいじこうしょう | political negotiation | |
| 斜交座標 | しゃこうざひょう | oblique coordinates | |
| 新旧交代 | しんきゅうこうたい | replacing the old with the new; the old giving way to the new | |
| 春夏の交 | しゅんかのこう | change from spring to summer | |
| 核相交代 | かくそうこうたい | alternation of nuclear phases | |
| 武力外交 | ぶりょくがいこう | armed diplomacy | |
| 母音交替 | ぼいんこうたい | ablaut; vowel gradation; apophony; vowel shift | |
| 民間外交 | みんかんがいこう | popular diplomacy; public diplomacy; people's diplomacy; diplomacy carried out by non-government officials | |
| 沈黙交易 | ちんもくこうえき | silent trade; dumb barter; depot trade | |
| 涙交じり | なみだまじり | (doing something) in tears | |
| 無償交付 | むしょうこうふ | free issue | |
| 物物交換 | ぶつぶつこうかん | barter; bartering | |
| 物質交代 | ぶっしつこうたい | substance metabolism | |
| 男女交際 | だんじょこうさい | social relations between men and women; mingling between the sexes | |