impress vs prove

impress is a noun but prove is not a noun.

Word	Noun	Adjective	Verb	Adverb
impress	Yes	No	Yes	No
prove	No	No	Yes	No

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

Other hyponyms of impress include letter, set, typeset, offset, overprint, print over, cyclostyle, boldface, italicise, italicize.

impress (noun)	prove (noun)
the act of coercing someone into government service

impress (verb)	prove (verb)
dye (fabric) before it is spun	establish the validity of something, as by an example, explanation or experiment
produce or try to produce a vivid impression of	obtain probate of
mark or stamp with or as if with pressure	prove formally; demonstrate by a mathematical, formal proof
take (someone) against his will for compulsory service, especially on board a ship	provide evidence for
reproduce by printing	take a trial impression of
impress positively	cause to puff up with a leaven
have an emotional or cognitive impact upon	increase in volume
	put to the test, as for its quality, or give experimental use to
	be shown or be found to be