chamois leather vs shammy leather

chamois leather and shammy leather both are nouns.

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

As nouns, chamois leather and shammy leather are synonyms defined as:

chamois leather and shammy leather: a soft suede leather formerly from the skin of the chamois antelope but now from sheepskin

Other synonyms of chamois leather include chammy, chammy leather, chamois, shammy.

chamois leather (noun)	shammy leather (noun)
a soft suede leather formerly from the skin of the chamois antelope but now from sheepskin	a soft suede leather formerly from the skin of the chamois antelope but now from sheepskin