chamois vs leather

chamois and leather both are nouns.

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

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

chamois: a soft suede leather formerly from the skin of the chamois antelope but now from sheepskin
leather: an animal skin made smooth and flexible by removing the hair and then tanning

chamois (noun)	leather (noun)
hoofed mammal of mountains of Eurasia having upright horns with backward-hooked tips	an animal skin made smooth and flexible by removing the hair and then tanning
a soft suede leather formerly from the skin of the chamois antelope but now from sheepskin

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