Ron language

Ron (Run; also known as Challa, Chala) is an Afro-Asiatic language cluster spoken in Plateau State, Nigeria. Dialects include Bokkos, Daffo-Mbar-Butura (incl. Mangar), Monguna/Manguna (Shagau), (20,000 speakers). Blench (2006) considers these to be separate languages.

Varieties
Blench (2019) lists these language varieties in the Ron (Run) cluster:


 * Bokkos
 * Mbar
 * Daffo–Butura
 * Manguna(Shagau)
 * Mangar
 * Sha
 * Butura

Daffo-Mbar-Butura is spoken in Hottom, Maiduna, Hurum, Fanga, Kandik, Faram, Mandung, Mayi, and Josho villages.

Manguna (Shagau) is spoken in Manguna, Mahurum, Hurti, Gwande, Dambwash and Karfa

Curiosity
Although modern Ron uses a decimal system, it is well attested that in the past a duodecimal counting system was used.