scream vs laugh

scream and laugh both are nouns.

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

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

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

scream (noun)	laugh (noun)
sharp piercing cry	the sound of laughing
a joke that seems extremely funny	a humorous anecdote or remark intended to provoke laughter
a high-pitched noise resembling a human cry	a facial expression characteristic of a person laughing

scream (verb)	laugh (verb)
utter a sudden loud cry	produce laughter
utter or declare in a very loud voice
make a loud, piercing sound