Oti–Volta languages is rather the case that many people can understand some of a language which is not their mother tongue. These languages are not mutually intelligible with Mõõré or Kusaal (a language spoken in Bawku West District and adjacent areas). Oti–Volta languages The Oti–Volta languages form a subgroup of the Gur languages, comprising about 30 languages of northern Ghana, Benin, and Burkina Faso spoken by twelve million people. The most populous language is Mõõré, the national language of Burkina, spoken by five million people. The family is named for the Oti and Volta rivers. The internal classification of Oti–Volta, as worked
Volta–Niger languages Volta–Niger languages The Volta–Niger family of languages, also known as West Benue–Congo or East Kwa, is one of the branches of the Niger–Congo language family, with perhaps 50 million speakers. Among these are the most important languages of southern Nigeria, Benin, Togo, and southeast Ghana: Yoruba, Igbo, Bini, Fon, and Ewe. These languages have variously been placed within the Kwa or Benue–Congo families, but Williamson & Blench (2000) separate them from both. The boundaries between the various branches of Volta–Niger are rather vague, suggesting diversification of a dialect continuum rather than a clear split of families, which suggest a close