big money vs vernacular

big money and vernacular both are nouns.

Word	Noun	Adjective	Verb	Adverb
big money	Yes	No	No	No
vernacular	Yes	Yes	No	No

big money (noun)	vernacular (noun)
a large sum of money (especially as pay or profit)	the everyday speech of the people (as distinguished from literary language)
	a characteristic language of a particular group (as among thieves)

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