devour vs raven

devour is not a noun while raven is a noun.

Word	Noun	Adjective	Verb	Adverb
devour	No	No	Yes	No
raven	Yes	No	Yes	No

As verbs, devour and raven are synonyms defined as:

Other synonyms of devour include guttle, pig.

devour (noun)	raven (noun)
	large black bird with a straight bill and long wedge-shaped tail

devour (verb)	raven (verb)
eat greedily	eat greedily
eat up completely, as with great appetite	feed greedily
to consume	prey on or hunt for
enjoy avidly	obtain or seize by violence