gulp vs deglutition

gulp and deglutition both are nouns.

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

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

Other hypernyms of gulp include drink, swallow.

gulp (noun)	deglutition (noun)
a large and hurried swallow	the act of swallowing
a spasmodic reflex of the throat made as if in swallowing

gulp (verb)	deglutition (verb)
utter or make a noise, as when swallowing too quickly
to swallow hurriedly or greedily or in one draught