uptake vs deglutition

uptake and deglutition both are nouns.

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

As nouns, deglutition is a hyponym of uptake; that is, deglutition is a word with a more specific, narrower meaning than uptake:

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

Other hyponyms of uptake include eating, feeding, drink, swallow, suck, sucking, suction, drinking, imbibing, imbibition.

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