spiritualism vs spiritualist

spiritualism and spiritualist both are nouns.

Word	Noun	Adjective	Verb	Adverb
spiritualism	Yes	No	No	No
spiritualist	Yes	Yes	No	No

spiritualism (noun)	spiritualist (noun)
concern with things of the spirit	someone who serves as an intermediary between the living and the dead
the belief that the spirits of dead people can communicate with people who are still alive (especially via a medium)
(theology) any doctrine that asserts the separate existence of God

spiritualism (adjective)	spiritualist (adjective)
	of or relating to or connected with spiritualism