voodoo vs hoodoo

voodoo and hoodoo both are nouns.

Word	Noun	Adjective	Verb	Adverb
voodoo	Yes	No	Yes	No
hoodoo	Yes	No	Yes	No

As nouns, voodoo and hoodoo are synonyms defined as:

voodoo and hoodoo: a charm superstitiously believed to embody magical powers

Other synonyms of voodoo include fetich, fetish, juju.

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

voodoo: a religious cult practiced chiefly in Caribbean countries (especially Haiti); involves witchcraft and animistic deities
hoodoo: a practitioner of voodoo

voodoo (noun)	hoodoo (noun)
a charm superstitiously believed to embody magical powers	a charm superstitiously believed to embody magical powers
a religious cult practiced chiefly in Caribbean countries (especially Haiti); involves witchcraft and animistic deities	something believed to bring bad luck
(Haiti) followers of a religion that involves witchcraft and animistic deities	a practitioner of voodoo
	(geology) a column of weathered and unusually shaped rock

voodoo (verb)	hoodoo (verb)
bewitch by or as if by a voodoo	bring bad luck; be a source of misfortune