wow vs scream

wow and scream both are nouns.

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

As nouns, wow and scream are synonyms defined as:

Other synonyms of wow include belly laugh, howler, riot, sidesplitter, thigh-slapper.

wow (noun)	scream (noun)
a joke that seems extremely funny	sharp piercing cry
	a joke that seems extremely funny
	a high-pitched noise resembling a human cry

wow (verb)	scream (verb)
impress greatly	utter a sudden loud cry
	utter or declare in a very loud voice
	make a loud, piercing sound