scream vs vociferation

scream and vociferation both are nouns.

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

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

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

scream (noun)	vociferation (noun)
sharp piercing cry	a loud utterance; often in protest or opposition
a joke that seems extremely funny
a high-pitched noise resembling a human cry

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