positivism vs positivist

positivism and positivist both are nouns.

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

positivism (noun)	positivist (noun)
a quality or state characterized by certainty or acceptance or affirmation and dogmatic assertiveness	someone who emphasizes observable facts and excludes metaphysical speculation about origins or ultimate causes
the form of empiricism that bases all knowledge on perceptual experience (not on intuition or revelation)

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