rod vs vernacular

rod and vernacular both are nouns.

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

rod (noun)	vernacular (noun)
any rod-shaped bacterium	the everyday speech of the people (as distinguished from literary language)
a long thin implement made of metal or wood	a characteristic language of a particular group (as among thieves)
a gangster's pistol
a visual receptor cell that is sensitive to dim light
a linear measure of 16.5 feet
a square rod of land

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