同どう一いつ性せいMeaningsNoun1. identityKanji used同same一one性nature (of a person)Pitch accentどういつせいComposed of同どう一いつidentical; same; one and the same; equal; fair; equal treatment; without discriminationNo-adjective性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun