yeller vs bawler

yeller and bawler both are nouns.

Word	Noun	Adjective	Verb	Adverb
yeller	Yes	No	No	No
bawler	Yes	No	No	No

As nouns, yeller and bawler are synonyms defined as:

yeller and bawler: someone who communicates vocally in a very loud voice

Other synonyms of yeller include bellower, roarer, screamer, screecher, shouter.

yeller (noun)	bawler (noun)
someone who communicates vocally in a very loud voice	someone who communicates vocally in a very loud voice
	a loud weeper