polish vs shine

polish and shine both are nouns.

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

As nouns, shine is a hypernym of polish; that is, shine is a word with a broader meaning than polish:

Other hypernyms of polish include smoothness, effulgence, radiance, radiancy, refulgence, refulgency.

As verbs, polish and shine are synonyms defined as:

Other synonyms of polish include smooth, smoothen.

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

polish (verb)	shine (verb)
bring to a highly developed, finished, or refined state	make (a surface) shine
improve or perfect by pruning or polishing	experience a feeling of well-being or happiness, as from good health or an intense emotion
make (a surface) shine	be shiny, as if wet
	have a complexion with a strong bright color, such as red or pink
	touch or seem as if touching visually or audibly
	be distinguished or eminent
	be clear and obvious
	emit light; be bright, as of the sun or a light
	be bright by reflecting or casting light
	throw or flash the light of (a lamp)