nihilistic vs nihilism

nihilistic is not a noun while nihilism is a noun.

Word	Noun	Adjective	Verb	Adverb
nihilistic	No	Yes	No	No
nihilism	Yes	No	No	No

nihilistic (noun)	nihilism (noun)
	a revolutionary doctrine that advocates destruction of the social system for its own sake
	complete denial of all established authority and institutions
	the delusion that things (or everything, including the self) do not exist; a sense that everything is unreal

nihilistic (adjective)	nihilism (adjective)
of or relating to nihilism