imbibition vs ingestion

imbibition and ingestion both are nouns.

Word	Noun	Adjective	Verb	Adverb
imbibition	Yes	No	No	No
ingestion	Yes	No	No	No

As nouns, ingestion is a hypernym of imbibition; that is, ingestion is a word with a broader meaning than imbibition:

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

Other hypernyms of imbibition include consumption, intake, uptake.

imbibition (noun)	ingestion (noun)
the act of consuming liquids	the process of taking food into the body through the mouth (as by eating)
(chemistry) the absorption of a liquid by a solid or gel