slang vs greaseball

slang and greaseball both are nouns.

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

slang (noun)	greaseball (noun)
a characteristic language of a particular group (as among thieves)	(ethnic slur) offensive term for a person of Italian descent
informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar