toothbrush vs vernacular

toothbrush and vernacular both are nouns.

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

toothbrush (noun)	vernacular (noun)
small brush; has long handle; used to clean teeth	the everyday speech of the people (as distinguished from literary language)
slang for a mustache	a characteristic language of a particular group (as among thieves)

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