wet-nurse vs sexual activity

wet-nurse and sexual activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
wet-nurse	Yes	No	Yes	No
sexual activity	Yes	No	No	No

wet-nurse (noun)	sexual activity (noun)
a woman hired to suckle a child of someone else	activities associated with sexual intercourse

wet-nurse (verb)	sexual activity (verb)
give suck to