burnish vs polish

burnish and polish both are nouns.

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

As nouns, burnish and polish are synonyms defined as:

Other synonyms of burnish include gloss, glossiness.

As verbs, polish is a hypernym of burnish; that is, polish is a word with a broader meaning than burnish:

Other hypernyms of burnish include shine, smooth, smoothen.

burnish (noun)	polish (noun)
the property of being smooth and shiny	the property of being smooth and shiny
	a highly developed state of perfection; having a flawless or impeccable quality
	a preparation used in polishing

burnish (verb)	polish (verb)
polish and make shiny	bring to a highly developed, finished, or refined state
	improve or perfect by pruning or polishing
	make (a surface) shine