taste vs savour

taste and savour both are nouns.

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

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

taste: the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus
savour: the taste experience when a savoury condiment is taken into the mouth

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

Other hyponyms of taste include savor.

As verbs, taste and savour are synonyms defined as:

Other synonyms of taste include savor.

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

Other hypernyms of taste include savor, taste.

taste (noun)	savour (noun)
a kind of sensing; distinguishing substances by means of the taste buds	the taste experience when a savoury condiment is taken into the mouth
delicate discrimination (especially of esthetic values)
the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus
the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth
a brief experience of something
a strong liking
a small amount eaten or drunk

taste (verb)	savour (verb)
experience briefly	derive or receive pleasure from; get enjoyment from; take pleasure in
take a sample of	taste appreciatively
perceive by the sense of taste	give taste to
distinguish flavors	have flavor; taste of something
have flavor; taste of something
have a distinctive or characteristic taste