相そう互ご互ご換かん性せいMeaningsNoun1. interchangeability; interoperabilityKanji used相towards each other互mutual換exchange性nature (of a person)Composed of相そう互ごmutual; reciprocalNoun互ご換かんinterchange; transposition; compatible (e.g. PC)Noun性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun