drink vs gulp

drink and gulp both are nouns.

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

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

Other hyponyms of drink include aerophagia, draft, draught, swig, sip.

As verbs, gulp is a hyponym of drink; that is, gulp is a word with a more specific, narrower meaning than drink:

drink (noun)	gulp (noun)
the act of drinking alcoholic beverages to excess	a large and hurried swallow
the act of swallowing	a spasmodic reflex of the throat made as if in swallowing
any liquid suitable for drinking
a single serving of a beverage
any large deep body of water

drink (verb)	gulp (verb)
be fascinated or spell-bound by; pay close attention to	utter or make a noise, as when swallowing too quickly
take in liquids	to swallow hurriedly or greedily or in one draught
consume alcohol
drink excessive amounts of alcohol; be an alcoholic
propose a toast to