decedent vs zombie

decedent and zombie both are nouns.

Word	Noun	Adjective	Verb	Adverb
decedent	Yes	No	No	No
zombie	Yes	No	No	No

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

decedent: someone who is no longer alive
zombie: a dead body that has been brought back to life by a supernatural force

Other hyponyms of decedent include infernal, living dead, zombi.

decedent (noun)	zombie (noun)
someone who is no longer alive	several kinds of rum with fruit juice and usually apricot liqueur
	a dead body that has been brought back to life by a supernatural force
	someone who acts or responds in a mechanical or apathetic way
	a god of voodoo cults of African origin worshipped especially in West Indies
	(voodooism) a spirit or supernatural force that reanimates a dead body