chammy vs leather

chammy and leather both are nouns.

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

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

chammy: 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

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

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