Dialect
Part of speech: noun
Definition: A variety of a language (specifically, often a spoken variety) that is characteristic of a particular area, community or group, often with relatively minor differences in vocabulary, style, spelling and pronunciation.
Vernacular
Part of speech: adjective
Definition: Of or pertaining to everyday language.
Part of speech: noun
Definition: The language of a people, a national language.Everyday speech, including colloquialisms, as opposed to literary or liturgical language.Language unique to a particular group of people; jargon, argot.The indigenous language of a people, into which the words of the Roman Catholic mass are translated.