ingestion vs uptake

ingestion and uptake both are nouns.

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

As nouns, ingestion and uptake are synonyms defined as:

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

Other synonyms of ingestion include consumption, intake.

ingestion (noun)	uptake (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