sexual activity vs profligate

sexual activity and profligate both are nouns.

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

sexual activity (noun)	profligate (noun)
activities associated with sexual intercourse	a dissolute man in fashionable society
	a recklessly extravagant consumer

sexual activity (adjective)	profligate (adjective)
	unrestrained by convention or morality
	recklessly wasteful