Bainapi is a Papuan language of Western Province, Papua New Guinea (Bamustu, Makapa, and Pikiwa villages).
Søren Wichmann (2013)[2] tentatively considers it to be a separate, independent group.
[3] There is 19% lexical cognacy with Turumsa, suggesting contact or perhaps even a genetic relationship with Doso–Turumsa.
[4] Dibiyaso is spoken in Bamustu (7°54′02″S 142°58′57″E / 7.900569°S 142.982551°E / -7.900569; 142.982551 (Bamustu)), Makapa (7°56′16″S 142°34′34″E / 7.937872°S 142.576135°E / -7.937872; 142.576135 (Makapa)), and Pikiwa (7°54′20″S 142°43′02″E / 7.905445°S 142.717106°E / -7.905445; 142.717106 (Pikiwa)) villages of Gogodala Rural LLG, Western Province, Papua New Guinea.
[1][5] The following basic vocabulary words are from Franklin and Voorhoeve (1973), Reesink (1976), and Shaw (1986), as cited in the Trans-New Guinea database:[6]