rationalism vs rationalist

rationalism and rationalist both are nouns.

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

rationalism (noun)	rationalist (noun)
the doctrine that reason is the right basis for regulating conduct	someone who emphasizes observable facts and excludes metaphysical speculation about origins or ultimate causes
(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)	rationalist (adjective)
	of or relating to or characteristic of rationalism