coffee vs chocolate

coffee and chocolate both are nouns.

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

As nouns, coffee and chocolate are synonyms defined as:

Other synonyms of coffee include burnt umber, deep brown, umber.

coffee (noun)	chocolate (noun)
a medium brown to dark-brown color	a medium brown to dark-brown color
a beverage consisting of an infusion of ground coffee beans	a food made from roasted ground cacao beans
a seed of the coffee tree; ground to make coffee	a beverage made from cocoa powder and milk and sugar; usually drunk hot
any of several small trees and shrubs native to the tropical Old World yielding coffee beans