brown vs cook

brown and cook both are nouns.

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

As verbs, cook is a hypernym of brown; that is, cook is a word with a broader meaning than brown:

brown (noun)	cook (noun)
an orange of low brightness and saturation	someone who cooks food

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

brown (verb)	cook (verb)
fry in a pan until it changes color	transform and make suitable for consumption by heating
make brown in color	transform by heating
	prepare for eating by applying heat
	prepare a hot meal
	tamper, with the purpose of deception