feeding vs uptake

feeding and uptake both are nouns.

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

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

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

Other hypernyms of feeding include consumption, ingestion, intake.

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