eating vs intake

eating and intake both are nouns.

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

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

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

Other hypernyms of eating include consumption, ingestion, uptake.

eating (noun)	intake (noun)
the act of consuming food	the process of taking food into the body through the mouth (as by eating)
	the act of inhaling; the drawing in of air (or other gases) as in breathing
	an opening through which fluid is admitted to a tube or container