cultus vs macumba

cultus and macumba both are nouns.

Word	Noun	Adjective	Verb	Adverb
cultus	Yes	No	No	No
macumba	Yes	No	No	No

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

cultus: a system of religious beliefs and rituals
macumba: a Brazilian religious cult of African origin; combines voodoo elements with singing and chanting and dancing

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

cultus (noun)	macumba (noun)
a system of religious beliefs and rituals	a Brazilian religious cult of African origin; combines voodoo elements with singing and chanting and dancing
	popular dance music of Brazil; derived from the practices of the macumba religious cult
	(Brazil) followers of a religious cult of African origin