• 交互こうご

  alternate, alternating

• 交易こうえき

  trade, commerce

• 交戦こうせん

  war, battle, hostilities

• 交差こうさ

  crossing, intersection

• 交信こうしん

  telecommunications, correspondence

• 交付こうふ

  delivery, issuance, handing over, granting

• 交友こうゆう

  friend, companion, acquaintance

• 交錯こうさく

  mixture, blending, complication, crossing, intersecting, interlacing

• 交通こうつう

  traffic, transportation

• 交渉こうしょう

  negotiations, bargaining, discussions, talks

• 交代こうたい

  change, alternation, rotation, replacement, substitution, shift, relief, taking turns

• 交番こうばん

  police box, koban, small neighborhood police station

• 交際こうさい

  company, friendship, association, society, acquaintance

• 交流こうりゅう

  exchange (e.g. cultural), interchange, interaction, mingling, mixing, coming together

• 交換こうかん

  exchange, interchange, switching, reciprocity, barter, substitution, replacement, clearing (of checks, cheques)

• 性交せいこう

  sexual intercourse, sex, coitus

• 親交しんこう

  intimacy, friendship, friendly relations

• 絶交ぜっこう

  breaking off a relationship, permanent breach of friendship, rupture

• 国交こっこう

  diplomatic relations

• 外交がいこう

  diplomacy

• 社交しゃこう

  social life, social intercourse

• 交響曲こうきょうきょく

  symphony

• 交際費こうさいひ

  entertainment expenses

• 交差点こうさてん

  crossing, intersection

• 交通費こうつうひ

  traveling expenses, travelling expenses, carfare

• 交通網こうつうもう

  transportation network, transport network, traffic network

• 交じりまじり

  mixed with, mingled with, interspersed with, dashed with, sprinkled with

• 交えるまじえる

  to mix, to combine, to include

• 交わすかわす

  to exchange (messages, greetings, arguments, etc.)

• 交わるまじわる

  to cross, to intersect, to join, to meet

• 外交官がいこうかん

  diplomat

• 社交的しゃこうてき

  sociable

• 交通事故こうつうじこ

  traffic accident

• 交響楽団こうきょうがくだん

  symphony orchestra

• 交通機関こうつうきかん

  (means of) transportation, transport, transportation facilities, transportation system, transit system

• 飛び交うとびかう

  to fly about, to flutter about, to flit about, to fly past each other

• 相互交流そうごこうりゅう

  mutual exchange

• 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

• 交こう

  association, fellowship

• 交媾こうこう

  sexual union

• 交織こうしょく

  mixed weave

• 交誼こうぎ

  friendship, amity

• 交連こうれん

  commissura, commissurae, commissure

• 交響こうきょう

  reverberation

• 交読こうどく

  reading responsively

• 交情こうじょう

  intimacy, friendship

• 交接こうせつ

  sexual intercourse

• 交譲こうじょう

  concession, compromise

• 交点こうてん

  point of intersection

• 交合こうごう

  sexual union, congress