feed vs ingest

feed is a noun but ingest is not a noun.

Word	Noun	Adjective	Verb	Adverb
feed	Yes	No	Yes	No
ingest	No	No	Yes	No

As verbs, ingest is a hypernym of feed; that is, ingest is a word with a broader meaning than feed:

Other hypernyms of feed include consume, have, take, take in.

feed (noun)	ingest (noun)
food for domestic livestock

feed (verb)	ingest (verb)
provide with fertilizers or add nutrients to	take up mentally
introduce continuously	serve oneself to, or consume regularly
take in food; used of animals only
give food to
serve as food for; be the food for
feed into; supply
provide as food
gratify
profit from in an exploitatory manner
move along, of liquids
support or promote