wow vs impress

wow and impress both are nouns.

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

As verbs, impress is a hypernym of wow; that is, impress is a word with a broader meaning than wow:

wow (noun)	impress (noun)
a joke that seems extremely funny	the act of coercing someone into government service

wow (verb)	impress (verb)
impress greatly	dye (fabric) before it is spun
	produce or try to produce a vivid impression of
	mark or stamp with or as if with pressure
	take (someone) against his will for compulsory service, especially on board a ship
	reproduce by printing
	impress positively
	have an emotional or cognitive impact upon