相あい性しょう問もん題だいMeaningsNoun1. compatibility issueKanji used相towards each other性nature (of a person)問question題topicComposed of相あい性しょうaffinity; compatibility; chemistry (between people)Noun問もん題だいquestion (e.g. on a test); problem; problem (e.g. societal, political); question; issue; subject (e.g. of research); case; matter; question (i.e. doubt); public discussion; …Noun