positivistic vs positivism

positivistic is not a noun while positivism is a noun.

Word	Noun	Adjective	Verb	Adverb
positivistic	No	Yes	No	No
positivism	Yes	No	No	No

positivistic (noun)	positivism (noun)
	a quality or state characterized by certainty or acceptance or affirmation and dogmatic assertiveness
	the form of empiricism that bases all knowledge on perceptual experience (not on intuition or revelation)

positivistic (adjective)	positivism (adjective)
of or relating to positivism