parasitic vs parasite

parasitic is not a noun while parasite is a noun.

Word	Noun	Adjective	Verb	Adverb
parasitic	No	Yes	No	No
parasite	Yes	No	No	No

parasitic (noun)	parasite (noun)
	an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host
	a follower who hangs around a host (without benefit to the host) in hope of gain or advantage

parasitic (adjective)	parasite (adjective)
of or pertaining to epenthesis
relating to or caused by parasites
of plants or persons; having the nature or habits of a parasite or leech; living off another