tasting vs eating

tasting and eating both are nouns.

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

As nouns, eating is a hypernym of tasting; that is, eating is a word with a broader meaning than tasting:

Other hypernyms of tasting include feeding.

tasting (noun)	eating (noun)
a kind of sensing; distinguishing substances by means of the taste buds	the act of consuming food
taking a small amount into the mouth to test its quality
a small amount (especially of food or wine)