savour vs devour

savour is a noun but devour is not a noun.

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

As verbs, devour is a hyponym of savour; that is, devour is a word with a more specific, narrower meaning than savour:

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

Other hyponyms of savour include feast one's eyes.

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

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