transsexual vs transgendered

transsexual and transgendered both are nouns.

Word	Noun	Adjective	Verb	Adverb
transsexual	Yes	Yes	No	No
transgendered	Yes	Yes	No	No

As nouns, transsexual and transgendered are synonyms defined as:

transsexual and transgendered: a person who has undergone a sex change operation

Other synonyms of transsexual include transexual.

transsexual (noun)	transgendered (noun)
a person whose sexual identification is entirely with the opposite sex	a person who has undergone a sex change operation
a person who has undergone a sex change operation

transsexual (adjective)	transgendered (adjective)
identifying with the opposite gender from the one that one is born with	involving a partial or full reversal of gender