Oti

The Otí language, also known as Chavante or Euchavante, is a language isolate or an unclassified language once spoken in the state of São Paulo, Brazil, between the Peixe and Pardo rivers. The language became extinct at the beginning of the 20th century. Only a few wordlists are preserved, totaling 110 words.

From Wikipedia · Oti language · CC BY-SA 4.0