earful vs bawling out

earful and bawling out both are nouns.

Word	Noun	Adjective	Verb	Adverb
earful	Yes	No	No	No
bawling out	Yes	No	No	No

As nouns, earful and bawling out are synonyms defined as:

Other synonyms of earful include castigation, chewing out, dressing down, going-over, upbraiding.

earful (noun)	bawling out (noun)
a severe scolding	a severe scolding
an outpouring of gossip