revenant vs continual

revenant is a noun but continual is not a noun.

Word	Noun	Adjective	Verb	Adverb
revenant	Yes	Yes	No	No
continual	No	Yes	No	No

revenant (noun)	continual (noun)
someone who has returned from the dead
a person who returns after a lengthy absence

revenant (adjective)	continual (adjective)
of or relating to or typical of a revenant	recurring regularly or frequently in a prolonged and closely spaced series
coming back	having no interruptions