sexual activity vs deviate

sexual activity and deviate both are nouns.

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

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

sexual activity (adjective)	deviate (adjective)
	markedly different from an accepted norm

sexual activity (verb)	deviate (verb)
	turn aside; turn away from
	cause to turn away from a previous or expected course
	be at variance with; be out of line with