nihilism vs nihilistic

nihilism is a noun but nihilistic is not a noun.

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

nihilism (noun)	nihilistic (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

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