cross dressing vs transvestism

cross dressing and transvestism both are nouns.

Word	Noun	Adjective	Verb	Adverb
cross dressing	Yes	No	No	No
transvestism	Yes	No	No	No

As nouns, cross dressing and transvestism are synonyms defined as:

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

Other synonyms of cross dressing include transvestitism.

cross dressing (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