uptake vs feeding

uptake and feeding both are nouns.

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

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

uptake: the process of taking food into the body through the mouth (as by eating)
feeding: the act of consuming food

Other hyponyms of uptake include eating, deglutition, drink, swallow, suck, sucking, suction, drinking, imbibing, imbibition.

uptake (noun)	feeding (noun)
the process of taking food into the body through the mouth (as by eating)	the act of consuming food
a process of taking up or using up or consuming	the act of supplying food and nourishment