rubbish vs vernacular

rubbish and vernacular both are nouns.

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

rubbish (noun)	vernacular (noun)
nonsensical talk or writing	the everyday speech of the people (as distinguished from literary language)
worthless material that is to be disposed of	a characteristic language of a particular group (as among thieves)

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

rubbish (verb)	vernacular (verb)
attack strongly