dago vs greaseball

dago and greaseball both are nouns.

Word	Noun	Adjective	Verb	Adverb
dago	Yes	No	No	No
greaseball	Yes	No	No	No

As nouns, dago and greaseball are synonyms defined as:

dago and greaseball: (ethnic slur) offensive term for a person of Italian descent

Other synonyms of dago include ginzo, Guinea, wop.

dago (noun)	greaseball (noun)
(ethnic slur) offensive term for a person of Italian descent	(ethnic slur) offensive term for a person of Italian descent