burnish vs buff

burnish and buff both are nouns.

Word	Noun	Adjective	Verb	Adverb
burnish	Yes	No	Yes	No
buff	Yes	Yes	Yes	No

As verbs, burnish and buff are synonyms defined as:

Other synonyms of burnish include furbish.

burnish (noun)	buff (noun)
the property of being smooth and shiny	an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
	a medium to dark tan color
	bare skin
	an ardent follower and admirer
	a soft thick undyed leather from the skins of e.g. buffalo or oxen

burnish (adjective)	buff (adjective)
	of the yellowish-beige color of buff leather

burnish (verb)	buff (verb)
polish and make shiny	polish and make shiny
	strike, beat repeatedly