uptake vs ingestion

uptake and ingestion both are nouns.

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

As nouns, uptake and ingestion are synonyms defined as:

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

Other synonyms of uptake include consumption, intake.

uptake (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)
a process of taking up or using up or consuming