5304 Nheengatú 1000-9999 Nheengatu is a creolised version of Tupinambá (Tupi-Guarani), which was spread from the east coast by white merchants and missionaries. It was widely used as a lingua franca among indigenous groups and is still used among various groups, some as a first language, others as only a second language. Estimates of numbers of speakers vary widely and it is difficult to get accurate figures. South America Off 3,000 1000-9999