cocoa vs foodstuff

cocoa and foodstuff both are nouns.

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

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

Other hypernyms of cocoa include food product.

cocoa (noun)	foodstuff (noun)
powder of ground roasted cacao beans with most of the fat removed	(usually plural) consumer goods sold by a grocer
a beverage made from cocoa powder and milk and sugar; usually drunk hot	a substance that can be used or prepared for use as food