sample vs tasting

sample and tasting both are nouns.

Word	Noun	Adjective	Verb	Adverb
sample	Yes	No	Yes	No
tasting	Yes	No	No	No

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

sample (noun)	tasting (noun)
a small part of something intended as representative of the whole	a kind of sensing; distinguishing substances by means of the taste buds
items selected at random from a population and used to test hypotheses about the population	taking a small amount into the mouth to test its quality
all or part of a natural object that is collected and preserved as an example of its class	a small amount (especially of food or wine)

sample (verb)	tasting (verb)
take a sample of