intake vs ingestion

intake and ingestion both are nouns.

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

As nouns, intake and ingestion are synonyms defined as:

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

Other synonyms of intake include consumption, uptake.

intake (noun)	ingestion (noun)
the process of taking food into the body through the mouth (as by eating)	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