vodoun vs voodooism

vodoun and voodooism both are nouns.

Word	Noun	Adjective	Verb	Adverb
vodoun	Yes	No	No	No
voodooism	Yes	No	No	No

As nouns, vodoun and voodooism are synonyms defined as:

vodoun and voodooism: a religious cult practiced chiefly in Caribbean countries (especially Haiti); involves witchcraft and animistic deities

Other synonyms of vodoun include hoodooism, voodoo.

vodoun (noun)	voodooism (noun)
a religious cult practiced chiefly in Caribbean countries (especially Haiti); involves witchcraft and animistic deities	a religious cult practiced chiefly in Caribbean countries (especially Haiti); involves witchcraft and animistic deities