1) Academese 2) Argot 3) Cant 4) Creole 5) Dialect 6) Dialect; jargon 7) Folk dialect 8) French word used in English 9) Jargon 10) Language offshoot 11) Lingo 12) Linguistic study 13) Local lingo 14) Non-standard speech 15) Nonstandard dialect 16) Pidgin or creole 17) Provincial dialect 18) Provincial speech 1) Argot 2) Jargon 3) Lingo 
Patois (ɑː, pl. same or z) is any language that is considered nonstandard, although the term is not formally defined in linguistics. It can refer to pidgins, creoles, dialects, and other forms of native or local speech, but not commonly to jargon or slang, which are vocabulary-based forms of Cant. Class distinctions are embedded in the term, dra...
• (n.) A dialect peculiar to the illiterate classes; a provincial form of speech.
Pa`tois' noun [ French] A dialect peculiar to the illiterate classes; a provincial form of speech. « The jargon and patois of several provinces.» Sir T. Browne. 
[n] - a regional dialect of a language (especially French)
noun a regional dialect of a language (especially French); usually considered substandard