chamois vs shammy leather

chamois and shammy leather both are nouns.

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

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

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

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

chamois (noun)	shammy leather (noun)
hoofed mammal of mountains of Eurasia having upright horns with backward-hooked tips	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