Answer: vernacular

AnswerCrossword Clue
VERNACULARRegional slang
VERNACULAREveryday vocabulary
VERNACULAROrdinary, everyday language
VERNACULARIdiom
VERNACULARShop talk.
VERNACULAROne's mother tongue.
VERNACULARNative speech.
VERNACULARLanguage of the man in the street.
VERNACULARLocal speech.
VERNACULARNative speech
VERNACULARStreet language
vernacularindigenous, native, spoken by the people of the country or of one's own country / a vernacular language, expression, or mode of expression
vernacularthe plain variety of language in everyday use.
vernacular(of language) used locally or in everyday speech
vernacularthe native speech of an area
vernacularthe language of a particular group