交流【こうりゅう】
exchange (e.g. cultural), interchange, interaction, mingling, mixing, coming together, alternating current, AC
交渉【こうしょう】
negotiations, bargaining, discussions, talks, connection, relationship, relations, dealings
外交【がいこう】
diplomacy, selling (e.g. door-to-door), canvassing
交換【こうかん】
exchange, interchange, switching, reciprocity, barter, substitution, replacement, clearing (of checks, cheques)
交通【こうつう】
traffic, transportation, communication, exchange (of ideas, etc.), intercourse
交代【こうたい】
alternation, change, relief, relay, shift, substitution (sports, etc.), taking turns
国交【こっこう】
diplomatic relations
交付【こうふ】
delivery, issuance, handing over, granting
交通事故【こうつうじこ】
traffic accident
外交官【がいこうかん】
diplomat
交際【こうさい】
company, friendship, association, society, acquaintance, (romantic) involvement, dating
交差点【こうさてん】
crossing, intersection
交響曲【こうきょうきょく】
symphony
交互【こうご】
alternate, alternating, mutual, reciprocal
交わす【かわす】
to exchange (messages, greetings, arguments, etc.), to intersect, to cross, to interlace, ... with one another, ... to each other
交響楽【こうきょうがく】
symphony (orchestra)
交通費【こうつうひ】
traveling expenses, travelling expenses, carfare
交える【まじえる】
to mix, to combine, to include, to exchange (words, fire, etc.), to cross (e.g. swords), to join together
交戦【こうせん】
war, battle, hostilities
交通機関【こうつうきかん】
(means of) transportation, transport, transportation facilities, transportation system, transit system