holler vs scream

holler and scream both are nouns.

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

As verbs, holler and scream are synonyms defined as:

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

holler (noun)	scream (noun)
a very loud utterance (like the sound of an animal)	sharp piercing cry
a small valley between mountains	a joke that seems extremely funny
	a high-pitched noise resembling a human cry

holler (verb)	scream (verb)
complain	utter a sudden loud cry
utter a sudden loud cry	utter or declare in a very loud voice
shout out	make a loud, piercing sound