cult vs voodooism

cult and voodooism both are nouns.

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

As nouns, voodooism is a hyponym of cult; that is, voodooism is a word with a more specific, narrower meaning than cult:

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

Other hyponyms of cult include cargo cult, macumba, obeah, obi, Rastafarianism, hoodooism, vodoun, voodoo, sabianism.

cult (noun)	voodooism (noun)
a system of religious beliefs and rituals	a religious cult practiced chiefly in Caribbean countries (especially Haiti); involves witchcraft and animistic deities
an interest followed with exaggerated zeal
a religion or sect that is generally considered to be unorthodox, extremist, or false
followers of an exclusive system of beliefs and practices
followers of an unorthodox, extremist, or false religion or sect who often live outside of conventional society under the direction of a charismatic leader