drink vs drinkable

drink and drinkable both are nouns.

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

As nouns, drink and drinkable are synonyms defined as:

Other synonyms of drink include beverage, potable.

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

drink (adjective)	drinkable (adjective)
	suitable for drinking

drink (verb)	drinkable (verb)
be fascinated or spell-bound by; pay close attention to
take in liquids
consume alcohol
drink excessive amounts of alcohol; be an alcoholic
propose a toast to