it’s trans men, not “transmen”; and trans women, not “transwomen”. Trans is an adjective, meaning it’s a word that describes a noun. A trans man is a man who happens to be trans. The (grammatically incorrect) usage of trans as a noun (“a trans”, “transman”, “transwoman”, “transperson”, etc.) is a dogwhistle meant to imply that trans men aren’t men and trans women aren’t women but some separate category