devour vs savour

devour is not a noun while savour is a noun.

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

As verbs, savour is a hypernym of devour; that is, savour is a word with a broader meaning than devour:

devour: enjoy avidly
savour: derive or receive pleasure from; get enjoyment from; take pleasure in

Other hypernyms of devour include bask, enjoy, relish, savor.

devour (noun)	savour (noun)
	the taste experience when a savoury condiment is taken into the mouth

devour (verb)	savour (verb)
eat greedily	derive or receive pleasure from; get enjoyment from; take pleasure in
eat up completely, as with great appetite	taste appreciatively
to consume	give taste to
enjoy avidly	have flavor; taste of something