materialistic vs materialism

materialistic is not a noun while materialism is a noun.

Word	Noun	Adjective	Verb	Adverb
materialistic	No	Yes	No	No
materialism	Yes	No	No	No

materialistic (noun)	materialism (noun)
	(philosophy) the philosophical theory that matter is the only reality
	a desire for wealth and material possessions with little interest in ethical or spiritual matters

materialistic (adjective)	materialism (adjective)
conforming to the standards and conventions of the middle class
marked by materialism