otherworldliness vs spiritualism

otherworldliness and spiritualism both are nouns.

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

As nouns, otherworldliness and spiritualism are synonyms defined as:

Other synonyms of otherworldliness include spiritism, spirituality.

otherworldliness (noun)	spiritualism (noun)
concern with things of the spirit	concern with things of the spirit
	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