coffee vs umber

coffee and umber both are nouns.

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

As nouns, coffee and umber are synonyms defined as:

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

coffee (noun)	umber (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	an earth pigment
a seed of the coffee tree; ground to make coffee
any of several small trees and shrubs native to the tropical Old World yielding coffee beans

coffee (adjective)	umber (adjective)
	of the color of any of various natural brown earth pigments