vernacular vs arse

vernacular and arse both are nouns.

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

vernacular (noun)	arse (noun)
the everyday speech of the people (as distinguished from literary language)	vulgar slang for anus
a characteristic language of a particular group (as among thieves)	the fleshy part of the human body that you sit on

vernacular (adjective)	arse (adjective)
being or characteristic of or appropriate to everyday language