sexual activity vs pervert

sexual activity and pervert both are nouns.

Word	Noun	Adjective	Verb	Adverb
sexual activity	Yes	No	No	No
pervert	Yes	No	Yes	No

sexual activity (noun)	pervert (noun)
activities associated with sexual intercourse	a person whose behavior deviates from what is acceptable especially in sexual behavior

sexual activity (verb)	pervert (verb)
	change the inherent purpose or function of something
	practice sophistry; change the meaning of or be vague about in order to mislead or deceive
	corrupt morally or by intemperance or sensuality