共同cooperation同一identity同時simultaneous(ly)同様identical同僚coworker合同combination同格the same rank一同all present混同confusion同the same同意agreement同感agreement同級the same grade同居living together同士fellow同志same mind同情sympathy同調sympathy同等equality同封enclosure (e.g. in a letter)同盟alliance
情 じょう
愛情love感情emotion(s)事情circumstances情報information表情facial expression友情friendship苦情complaint純情pure heart心情mentality実情real condition情feelings情緒emotion情勢state of things情熱passion同情sympathy人情humanity