all-devouring vs creature

all-devouring is not a noun while creature is a noun.

Word	Noun	Adjective	Verb	Adverb
all-devouring	No	Yes	No	No
creature	Yes	No	No	No

all-devouring (noun)	creature (noun)
	a living organism characterized by voluntary movement
	a living being
	a person who is controlled by others and is used to perform unpleasant or dishonest tasks for someone else

all-devouring (adjective)	creature (adjective)
(of animals) both plant-eating and flesh-eating