chocolate vs cocoa

chocolate and cocoa both are nouns.

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

As nouns, chocolate and cocoa are synonyms defined as:

chocolate and cocoa: a beverage made from cocoa powder and milk and sugar; usually drunk hot

Other synonyms of chocolate include drinking chocolate, hot chocolate.

chocolate (noun)	cocoa (noun)
a medium brown to dark-brown color	powder of ground roasted cacao beans with most of the fat removed
a food made from roasted ground cacao beans	a beverage made from cocoa powder and milk and sugar; usually drunk hot
a beverage made from cocoa powder and milk and sugar; usually drunk hot