Rocorona language
Rocorona, or Ocorono, is an extinct language of Bolivia of the Chapacuran family. It is known only from three short texts, namely the Lord's Prayer, Ave Maria, and Nicene Creed.
Birchall presents an in-depth analysis of the surviving Rocorona texts from Jesuit missions in Bolivia. The texts were analyzed by Georges de Crequi-Montfort and Paul Rivet.
Phonology
Vowels
Rocorona has a 5-vowel system.| Front | Central | Back | |
| Close | |||
| Close-mid | |||
| Open |
Noticeably unusual is the absence of the vowel.