mocha vs leather

mocha and leather both are nouns.

Word	Noun	Adjective	Verb	Adverb
mocha	Yes	No	No	No
leather	Yes	No	Yes	No

As nouns, leather is a hypernym of mocha; that is, leather is a word with a broader meaning than mocha:

mocha: soft suede glove leather from goatskin
leather: an animal skin made smooth and flexible by removing the hair and then tanning

mocha (noun)	leather (noun)
a dark brown color	an animal skin made smooth and flexible by removing the hair and then tanning
a superior dark coffee made from beans from Arabia
a flavoring made from coffee mixed with chocolate
soft suede glove leather from goatskin

mocha (verb)	leather (verb)
	whip with a leather strap