deglutition vs uptake

deglutition and uptake both are nouns.

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

As nouns, uptake is a hypernym of deglutition; that is, uptake is a word with a broader meaning than deglutition:

deglutition: the act of swallowing
uptake: the process of taking food into the body through the mouth (as by eating)

Other hypernyms of deglutition include consumption, ingestion, intake.

deglutition (noun)	uptake (noun)
the act of swallowing	the process of taking food into the body through the mouth (as by eating)
	a process of taking up or using up or consuming