| 125972 | Rapting | ɛrɛʔ | | | Z'graggen (1980) | this |
| 246194 | Qaget | lug̶ʌ | | | SIL (1971) | |
| 925 | Purari | ei | | | Franklin (1973) | |
| 212773 | Proto-South-Adelbert | *n(a,u)(m,n) | | | Ross (2014) | |
| 211515 | Proto-Oceanic | *ni | | | Blust (1993) | |
| 211759 | Proto-Oceanic | *ne | | | Blust (1993) | |
| 211756 | Proto-Oceanic | *e | | | Blust (1993) | |
| 211513 | Proto-Oceanic | *i | | | Blust (1993) | |
| 95935 | Proto-Manubaran | *muʔuna | | | Ross (2014) | this (close) |
| 95944 | Proto-Manubaran | *mirona | | | Ross (2014) | this (further) |
| 95938 | Proto-Manubaran | *miʔina | | | Ross (2014) | this (close) |
| 15524 | Proto-Koiariac | *oko | | | Dutton (2010) | |
| 74544 | Proto-Eastern-Central | *ma | | | Scott (1978) | |
| 74545 | Proto-Eastern | *ma- | | | Scott (1978) | |
| 201805 | Proto-Dumut | *mene | | | Voorhoeve (2000) | |
| 201901 | Proto-Awyu-Dumut | *mene | | | Voorhoeve (2000) | |
| 201713 | Proto-Awyu | *ne | | | Voorhoeve (2000) | |
| 5245 | Pawaia | o | | | Macdonald (1973) | |
| 120 | Pawaia | a | | | Trefry (1969) | |
| 16064 | Pare | e | | | Shaw (1986) | |
| 2165 | Pare | e | | | Shaw (1973) | |
| 144782 | Parawen | siata | | | Z'graggen (1980) | this |
| 125971 | Panim | hɛ | | | Z'graggen (1980) | this |
| 144772 | Pamosu | ono | | | Z'graggen (1980) | this |
| 144777 | Pal | una | | | Z'graggen (1980) | this |
| 218622 | Orya | an | | | Clouse (1997) | |
| 6116 | Orokolo | ma | | | Brown (1973) | |
| 6117 | Orokolo | mae | | | Brown (1973) | |
| 4070 | Orokolo (Kaipi Dialect) | mealea | | | Brown (1973) | |
| 4047 | Orokolo (Kaipi Dialect) | ma | | | Brown (1973) | |
| 4627 | Opao | mahea | | | Brown (1973) | |
| 90530 | Ono | i | this | | McElhanon (1967) | this |
| 6059 | Onabasulu | ewe | | | Shaw (1973) | |
| 16164 | Onabasulu | ewe | | | Shaw (1986) | |
| 3734 | Omati | enao | | | Franklin (1973) | |
| 75390 | Oirata | i'ʔiri | | | Taber (1993) | |
| 181774 | Ogea | bɛ | | | Z'graggen (1980) | this |
| 16264 | Odoodee (Kalamo Dialect) | hagɔsɔ̃ | | | Shaw (1986) | |
| 16364 | Odoodee (Hesif Dialect) | hĩ | | | Shaw (1986) | |
| 218618 | Obokuitai | da | | | Clouse (1997) | |
| 199981 | Nuk (Tunam Dialect) | wɑkɛn | | | Retsema et al. (2009) | |
| 199868 | Nuk (Tamben Dialect) | ŋɑqɛn | | | Retsema et al. (2009) | |
| 1025 | Northeast Kiwai (Urama Dialect) | na | | | Wurm (1973) | |
| 3009 | Northeast Kiwai (Gope Dialect) | ařa | | | Wurm (1973) | |
| 31502 | Northeast Kiwai (Gibaio Dialect) | 'nai˥˩'dɛ:˥˩ | | | Wurm (1973) | |
| 17314 | Northeast Kiwai (Arigibi Dialect) | mʌ'ná·liɛ | | | Wurm (1973) | |
| 125991 | Nobonob | imu | | | Z'graggen (1980) | this |
| 193933 | Nend | wan | | | Z'graggen (1980) | this |
| 200246 | Nek (Goambot Dialect) | ŋən | | | Retsema et al. (2009) | |
| 125978 | Nake | hɛra | | | Z'graggen (1980) | this |
