tasting vs feeding

tasting and feeding both are nouns.

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

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

Other hypernyms of tasting include eating.

tasting (noun)	feeding (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	the act of supplying food and nourishment
a small amount (especially of food or wine)