sexual activity vs pecker

sexual activity and pecker both are nouns.

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

sexual activity (noun)	pecker (noun)
activities associated with sexual intercourse	bird with strong claws and a stiff tail adapted for climbing and a hard chisel-like bill for boring into wood for insects
	horny projecting mouth of a bird
	obscene terms for penis