fill vs ingest

fill is a noun but ingest is not a noun.

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

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

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

fill (noun)	ingest (noun)
a quantity sufficient to satisfy
any material that fills a space or container

fill (verb)	ingest (verb)
become full	take up mentally
make full, also in a metaphorical sense	serve oneself to, or consume regularly
plug with a substance
fill to satisfaction
eat until one is sated
fill, satisfy or meet a want or need or condition or restriction
assume, as of positions or roles
appoint someone to (a position or a job)
occupy the whole of