chamois vs wash leather

chamois and wash leather both are nouns.

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

As nouns, wash leather is a hyponym of chamois; that is, wash leather is a word with a more specific, narrower meaning than chamois:

chamois: a soft suede leather formerly from the skin of the chamois antelope but now from sheepskin
wash leather: piece of chamois used for cleaning and polishing

chamois (noun)	wash leather (noun)
hoofed mammal of mountains of Eurasia having upright horns with backward-hooked tips	piece of chamois used for cleaning and polishing
a soft suede leather formerly from the skin of the chamois antelope but now from sheepskin