rationalism vs rationalistic

rationalism is a noun but rationalistic is not a noun.

Word	Noun	Adjective	Verb	Adverb
rationalism	Yes	No	No	No
rationalistic	No	Yes	No	No

rationalism (noun)	rationalistic (noun)
the doctrine that reason is the right basis for regulating conduct
(philosophy) the doctrine that knowledge is acquired by reason without resort to experience
the theological doctrine that human reason rather than divine revelation establishes religious truth

rationalism (adjective)	rationalistic (adjective)
	of or relating to the philosophical doctrine of rationalism