cocoa butter vs chocolate

cocoa butter and chocolate both are nouns.

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

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

cocoa butter: the vegetable fat from the cacao that is extracted from chocolate liquor; the basis for white chocolate
chocolate: a food made from roasted ground cacao beans

cocoa butter (noun)	chocolate (noun)
the vegetable fat from the cacao that is extracted from chocolate liquor; the basis for white chocolate	a medium brown to dark-brown color
a yellow-white fat from cocoa beans	a food made from roasted ground cacao beans
	a beverage made from cocoa powder and milk and sugar; usually drunk hot