cross dressing vs transvestitism

cross dressing and transvestitism both are nouns.

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

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

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

Other synonyms of cross dressing include transvestism.

cross dressing (noun)	transvestitism (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