uptake vs swallow

uptake and swallow both are nouns.

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

As nouns, swallow is a hyponym of uptake; that is, swallow 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)
swallow: the act of swallowing

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

uptake (noun)	swallow (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	small long-winged songbird noted for swift graceful flight and the regularity of its migrations
	a small amount of liquid food

uptake (verb)	swallow (verb)
	believe or accept without questioning or challenge
	keep from expressing
	tolerate or accommodate oneself to
	take back what one has said
	utter unclearly
	engulf and destroy
	pass through the esophagus as part of eating or drinking
	enclose or envelop completely, as if by swallowing