slang vs arse

slang and arse both are nouns.

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

slang (noun)	arse (noun)
a characteristic language of a particular group (as among thieves)	vulgar slang for anus
informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar	the fleshy part of the human body that you sit on