educate vs polish

educate is not a noun while polish is a noun.

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

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

Other hypernyms of educate include down, fine-tune, refine.

educate (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

educate (verb)	polish (verb)
create by training and teaching	bring to a highly developed, finished, or refined state
give an education to	improve or perfect by pruning or polishing
teach or refine to be discriminative in taste or judgment	make (a surface) shine