scream vs cry

scream and cry both are nouns.

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

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

Other hypernyms of scream include call, outcry, shout, vociferation, yell.

As verbs, scream and cry are synonyms defined as:

Other synonyms of scream include call, holler, hollo, shout, shout out, squall, yell.

scream (noun)	cry (noun)
sharp piercing cry	a loud utterance; often in protest or opposition
a joke that seems extremely funny	a fit of weeping
a high-pitched noise resembling a human cry	a slogan used to rally support for a cause
	a loud utterance of emotion (especially when inarticulate)
	the characteristic utterance of an animal

scream (verb)	cry (verb)
utter a sudden loud cry	shed tears because of sadness, rage, or pain
utter or declare in a very loud voice	bring into a particular state by crying
make a loud, piercing sound	utter a sudden loud cry
	proclaim or announce in public
	utter a characteristic sound
	utter aloud; often with surprise, horror, or joy
	demand immediate action