drink vs swig

drink and swig both are nouns.

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

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

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

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

drink (noun)	swig (noun)
the act of drinking alcoholic beverages to excess	a large and hurried swallow
the act of swallowing
any liquid suitable for drinking
a single serving of a beverage
any large deep body of water

drink (verb)	swig (verb)
be fascinated or spell-bound by; pay close attention to	to swallow hurriedly or greedily or in one draught
take in liquids	strike heavily, especially with the fist or a bat
consume alcohol
drink excessive amounts of alcohol; be an alcoholic
propose a toast to