penetrator vs penetrate

penetrator is a noun but penetrate is not a noun.

Word	Noun	Adjective	Verb	Adverb
penetrator	Yes	No	No	No
penetrate	No	No	Yes	No

penetrator (noun)	penetrate (noun)
an intruder who passes into or through (often by overcoming resistance)

penetrator (verb)	penetrate (verb)
	come to understand
	become clear or enter one's consciousness or emotions
	pass into or through, often by overcoming resistance
	insert the penis into the vagina or anus of
	spread or diffuse through
	make one's way deeper into or through
	enter a group or organization in order to spy on the members