relativism vs relativistic

relativism is a noun but relativistic is not a noun.

Word	Noun	Adjective	Verb	Adverb
relativism	Yes	No	No	No
relativistic	No	Yes	No	No

relativism (noun)	relativistic (noun)
(philosophy) the philosophical doctrine that all criteria of judgment are relative to the individuals and situations involved

relativism (adjective)	relativistic (adjective)
	relating or subject to the special or the general theory of relativity
	of or relating to the philosophical doctrine of relativism