holla vs hollering

holla and hollering both are nouns.

Word	Noun	Adjective	Verb	Adverb
holla	Yes	No	No	No
hollering	Yes	No	No	No

As nouns, holla and hollering are synonyms defined as:

holla and hollering: a very loud utterance (like the sound of an animal)

Other synonyms of holla include bellow, bellowing, holler, hollo, holloa, roar, roaring, yowl.

holla (noun)	hollering (noun)
a very loud utterance (like the sound of an animal)	a very loud utterance (like the sound of an animal)