Suruí (of Jiparaná), also known as Paíter or Suruí-Paíter, is a Tupian language of Brazil. The Suruí of Rondônia call themselves Paiter, which means “the true people, we ourselves". They speak a language of the Tupi group and Monde language family. There were 1,171 Suruí-Paíter in 2010.

Phonology

Vowels

Consonants

• /β/ can be heard as either [β] or [w] in free variation, and as [ɸ] when before voiceless consonants.
• /b/ can be heard as prenasal [ᵐb] when after a nasal vowel, or when in initial position.
• /h/ can be heard as voiced [ɦ] when between vowels. It is also said to be heard as a voiceless lateral [l̥], among elder speakers.
• /j/ can be heard as nasal [j̃] when preceding or in between nasal vowels.
• Sounds /p, t, k, m, n, ŋ/, can be heard as [p̚, t̚, k̚, m̚, n̚, ŋ̚] in word-final position.^[2]