transvestitism vs cross dressing

transvestitism and cross dressing both are nouns.

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

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

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

Other synonyms of transvestitism include transvestism.

transvestitism (noun)	cross dressing (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