potbelly vs vernacular

potbelly and vernacular both are nouns.

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

potbelly (noun)	vernacular (noun)
a bulbous stove in which wood or coal is burned	the everyday speech of the people (as distinguished from literary language)
slang for a paunch	a characteristic language of a particular group (as among thieves)

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