chocolate vs drinkable

chocolate and drinkable both are nouns.

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

As nouns, drinkable is a hypernym of chocolate; that is, drinkable is a word with a broader meaning than chocolate:

chocolate: a beverage made from cocoa powder and milk and sugar; usually drunk hot
drinkable: any liquid suitable for drinking

Other hypernyms of chocolate include beverage, drink, potable.

chocolate (noun)	drinkable (noun)
a medium brown to dark-brown color	any liquid suitable for drinking
a food made from roasted ground cacao beans
a beverage made from cocoa powder and milk and sugar; usually drunk hot

chocolate (adjective)	drinkable (adjective)
	suitable for drinking