換かん気き口こうMeaningsNoun1. vent; ventilation openingOther spellings換かん気き孔こうUsage share unknownKanji used換exchange気state of mind口mouthKanji in other spellings孔small holePitch accentかんきこうかんきこうComposed of換かん気きventilationNoun口こうcounter for people or implementsSuffix