Before revision: Languages The tribal groups of the Gran Chaco fall into six language families: Matacoan languages or Mataco-maká (Wichí languages, Chorote languages, Nivaclé languages and the Maká language) Guaicuruan languages Lule–Vilela languages Mascoian languages Zamucoan languages Tupi–Guarani languages
After revision: (See also Mataco–Guaicuru languages.)Languages The tribal groups of the Gran Chaco fall into six language families: Matacoan languages or Mataco-maká (Wichí languages, Chorote languages, Nivaclé languages and the Maká language) Guaicuruan languages Lule–Vilela languages Mascoian languages Zamucoan languages Tupi–Guarani languages