Oti–Volta languages 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 out by Manessy 1975–79 and Naden 1989 (Williamson & Blench 2000) is as follows: Native Dagbani speakers assert that Dagbani is mutually intelligible with Dagaare, Frafra, Mamprusi, and Wali, but in the case of Dagaare, Frara and Wali it
Volta–Congo languages system employing vowel harmony and that this set has been reduced to a seven vowel-system in many Volta–Congo languages. The Ghana–Togo Mountain languages are examples of languages where nine- or ten-vowel systems are still found. Volta–Congo languages Volta–Congo is a hypothetical major branch of languages of the Niger–Congo family. It includes all the Niger-Congo languages and subfamilies except the families of the erstwhile Atlantic and Kordofanian branches, Mande, Dogon, Ijo and Balanta. It thus only differs from Atlantic–Congo in that it excludes the Atlantic languages and, in some conceptions, Kru and Senufo. In the infobox at the right, the languages