transvestitism vs transvestism

transvestitism and transvestism both are nouns.

Word	Noun	Adjective	Verb	Adverb
transvestitism	Yes	No	No	No
transvestism	Yes	No	No	No

As nouns, transvestitism and transvestism are synonyms defined as:

transvestitism and transvestism: the practice of adopting the clothes or the manner or the sexual role of the opposite sex

Other synonyms of transvestitism include cross dressing.

transvestitism (noun)	transvestism (noun)
the practice of adopting the clothes or the manner or the sexual role of the opposite sex	the practice of adopting the clothes or the manner or the sexual role of the opposite sex