umber vs coffee

umber and coffee both are nouns.

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

As nouns, umber and coffee are synonyms defined as:

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

umber (noun)	coffee (noun)
a medium brown to dark-brown color	a medium brown to dark-brown color
an earth pigment	a beverage consisting of an infusion of ground coffee beans
	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

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