sexual activity vs degenerate

sexual activity and degenerate both are nouns.

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

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

sexual activity (adjective)	degenerate (adjective)
	unrestrained by convention or morality

sexual activity (verb)	degenerate (verb)
	grow progressively worse