sexual activity vs take down

sexual activity is a noun but take down is not a noun.

Word	Noun	Adjective	Verb	Adverb
sexual activity	Yes	No	No	No
take down	No	No	Yes	No

sexual activity (noun)	take down (noun)
activities associated with sexual intercourse

sexual activity (verb)	take down (verb)
	make a written note of
	tear down so as to make flat with the ground
	reduce in worth or character, usually verbally
	move something or somebody to a lower position