embellish vs polish

embellish is not a noun while polish is a noun.

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

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

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

embellish (verb)	polish (verb)
make more beautiful	bring to a highly developed, finished, or refined state
add details to	improve or perfect by pruning or polishing
make more attractive by adding ornament, colour, etc.	make (a surface) shine
be beautiful to look at