the Americas some of the largest language families include the Quechumaran , Arawak , and Tupi-Guarani families of South America, the Uto-Aztecan , Oto-Manguean , Mayan of Mesoamerica , and the Na-Dene and Algonquian language families of North America . In Australia, most indigenous languages belong to the Pama-Nyungan family ,