burnish vs smoothness

burnish and smoothness both are nouns.

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

As nouns, smoothness is a hypernym of burnish; that is, smoothness is a word with a broader meaning than burnish:

Other hypernyms of burnish include effulgence, radiance, radiancy, refulgence, refulgency, shine.

burnish (noun)	smoothness (noun)
the property of being smooth and shiny	a texture without roughness; smooth to the touch
	the quality of having a level and even surface
	the quality of being free from errors or interruptions
	the quality of being bland and gracious or ingratiating in manner
	powerful and effective language

burnish (verb)	smoothness (verb)
polish and make shiny