wow vs laugh

wow and laugh both are nouns.

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

As nouns, laugh is a hypernym of wow; that is, laugh is a word with a broader meaning than wow:

Other hypernyms of wow include gag, jape, jest, joke.

wow (noun)	laugh (noun)
a joke that seems extremely funny	the sound of laughing
	a humorous anecdote or remark intended to provoke laughter
	a facial expression characteristic of a person laughing

wow (verb)	laugh (verb)
impress greatly	produce laughter