probabilistic vs probabilism

probabilistic is not a noun while probabilism is a noun.

Word	Noun	Adjective	Verb	Adverb
probabilistic	No	Yes	No	No
probabilism	Yes	No	No	No

probabilistic (noun)	probabilism (noun)
	(philosophy) the doctrine that (since certainty is unattainable) probability is a sufficient basis for belief and action
	a Roman Catholic system of casuistry that when expert opinions differ an actor can follow any solidly probable opinion that he wishes even though some different opinion might be more probable

probabilistic (adjective)	probabilism (adjective)
of or relating to or based on probability
of or relating to the Roman Catholic philosophy of probabilism