taste vs smack

taste and smack both are nouns.

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

As nouns, smack is a hyponym of taste; that is, smack 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
smack: the taste experience when a savoury condiment is taken into the mouth

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

Other hyponyms of taste include taste.

As verbs, taste and smack are synonyms defined as:

taste (noun)	smack (noun)
a kind of sensing; distinguishing substances by means of the taste buds	the act of smacking something; a blow delivered with an open hand
delicate discrimination (especially of esthetic values)	an enthusiastic kiss
the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus	street names for heroin
the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth	a sailing ship (usually rigged like a sloop or cutter) used in fishing and sailing along the coast
a brief experience of something	the taste experience when a savoury condiment is taken into the mouth
a strong liking	a blow from a flat object (as an open hand)
a small amount eaten or drunk

taste (verb)	smack (verb)
experience briefly	press (the lips) together and open (the lips) noisily, as in eating
take a sample of	kiss lightly
perceive by the sense of taste	deliver a hard blow to
distinguish flavors	have a distinctive or characteristic taste
have flavor; taste of something	have an element suggestive (of something)
have a distinctive or characteristic taste

taste (adverb)	smack (adverb)
	directly