impress vs wow

impress and wow both are nouns.

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

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

Other hyponyms of impress include prepossess.

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

impress (verb)	wow (verb)
dye (fabric) before it is spun	impress greatly
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