cult vs vodoun

cult and vodoun both are nouns.

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

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

cult: a system of religious beliefs and rituals
vodoun: 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, voodoo, voodooism, sabianism.

cult (noun)	vodoun (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