dressing down vs earful

dressing down and earful both are nouns.

Word	Noun	Adjective	Verb	Adverb
dressing down	Yes	No	No	No
earful	Yes	No	No	No

As nouns, dressing down and earful are synonyms defined as:

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

dressing down (noun)	earful (noun)
a severe scolding	a severe scolding
	an outpouring of gossip