drink vs souse

drink and souse both are nouns.

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

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

Other hyponyms of drink include tank, port, claret, bar hop, pub-crawl, bib, tipple, hit it up, inebriate, soak, wine, carry, hold.

drink (noun)	souse (noun)
the act of drinking alcoholic beverages to excess	the act of making something completely wet
the act of swallowing	pork trimmings chopped and pickled and jelled
any liquid suitable for drinking	a person who drinks alcohol to excess habitually
a single serving of a beverage
any large deep body of water

drink (verb)	souse (verb)
be fascinated or spell-bound by; pay close attention to	cook in a marinade
take in liquids	cover with liquid; pour liquid onto
consume alcohol	become drunk or drink excessively
drink excessive amounts of alcohol; be an alcoholic	immerse briefly into a liquid so as to wet, coat, or saturate
propose a toast to