こうかん 交換 Common word JLPT N3 LinksSentence search for 交換Sentence search for こうかんKanji details for 交 and 換Edit in JMdict Noun, Suru verb, Transitive verb1. exchange; interchange; switching; reciprocity; barter; substitution; replacement; clearing (of checks, cheques) Discussions Log in to talk about this word.