refulgency vs polish

refulgency and polish both are nouns.

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

As nouns, polish is a hyponym of refulgency; that is, polish is a word with a more specific, narrower meaning than refulgency:

Other hyponyms of refulgency include gleam, gleaming, glow, lambency, luster, lustre, sheen, shininess, burnish, gloss, glossiness.

refulgency (noun)	polish (noun)
the quality of being bright and sending out rays of light	the property of being smooth and shiny
	a highly developed state of perfection; having a flawless or impeccable quality
	a preparation used in polishing

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