chocolate vs brown

chocolate and brown both are nouns.

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

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

Other hypernyms of chocolate include brownness.

chocolate (noun)	brown (noun)
a medium brown to dark-brown color	an orange of low brightness and saturation
a food made from roasted ground cacao beans
a beverage made from cocoa powder and milk and sugar; usually drunk hot

chocolate (adjective)	brown (adjective)
	(of skin) deeply suntanned
	of a color similar to that of wood or earth

chocolate (verb)	brown (verb)
	fry in a pan until it changes color
	make brown in color