intake vs swallow

intake and swallow both are nouns.

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

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

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

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

intake (noun)	swallow (noun)
the process of taking food into the body through the mouth (as by eating)	the act of swallowing
the act of inhaling; the drawing in of air (or other gases) as in breathing	small long-winged songbird noted for swift graceful flight and the regularity of its migrations
an opening through which fluid is admitted to a tube or container	a small amount of liquid food

intake (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