megabucks vs vernacular

megabucks and vernacular both are nouns.

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

megabucks (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)

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