| 75513 | Oirata | u'hul | | | Taber (1993) | |
| 197600 | Oksapmin (Lower Dialect) | paŋ | | | Loughnane and Fedden (2011) | |
| 243416 | Olo | non | | | Laycock (1968) | |
| 3661 | Omati | komene | | | Franklin (1973) | |
| 14229 | Ömie | bitar-e | tongue | | Dutton (2010) | |
| 16091 | Onabasulu | ɛane | | | Shaw (1986) | |
| 5986 | Onabasulu | eane | | | Shaw (1973) | |
| 243413 | One, Inebu | alfoi | | | Laycock (1968) | |
| 91510 | Ono | belakami- | (its) tongue | | McElhanon (1967) | (its) tongue |
| 154900 | Ono (Kip Dialect) | belakam- | | | McElhanon and Voorhoeve (1970) | tongue |
| 4554 | Opao | halela | | | Brown (1973) | |
| 55175 | Orokaiva (Dobuduru Dialect) | iβiβi | tongue | | Smallhorn (2011) | |
| 55174 | Orokaiva (Dobuduru Dialect) | iwiwi | tongue | | Smallhorn (2011) | |
| 28140 | Orokaiva (Dobuduru Dialect) | iƀiƀi | | | Wilson (1969) | |
| 55176 | Orokaiva (Jegarata-Kakendetta Dialect) | iβiβi | tongue | | Smallhorn (2011) | |
| 28188 | Orokaiva (Jegarata-Kakendetta Dialect) | iƀiƀi | | | Wilson (1969) | |
| 55177 | Orokaiva (Jegasa-Sarau Dialect) | iwiwi | tongue | | Smallhorn (2011) | |
| 28223 | Orokaiva (Kendata Dialect) | iƀiƀi | | | Wilson (1969) | |
| 55178 | Orokaiva (Kendata Dialect) | iβiβi | tongue | | Smallhorn (2011) | |
| 28363 | Orokaiva (Sairope Dialect) | iƀiƀi | | | Wilson (1969) | |
| 55182 | Orokaiva (Sairope Dialect) | iβiβi | tongue | | Smallhorn (2011) | |
| 55179 | Orokaiva (Sose Dialect) | ivivi | tongue | | Smallhorn (2011) | |
| 3974 | Orokolo (Kaipi Dialect) | uri | | | Brown (1973) | |
| 4062 | Orokolo (Kaipi Dialect) | lauri | | | Brown (1973) | |
| 4658 | Orokolo | auli | | | Brown (1973) | |
| 212871 | Orya | mahal | | | Clouse (1997) | |
| 246264 | Owiniga | isɩ | | | SIL (1963) | |
| 198556 | Owiniga | ise | | | Conrad and Dye (1975) | |
| 232984 | Owiniga | ise | | | SIL (1972) | |
| 243439 | Pahi | tafəki | | | Laycock (1968) | |
| 139770 | Pal | yawɛs | | | Z'graggen (1980) | (tongue) |
| 139766 | Pamosu | mindʌk | | | Z'graggen (1980) | (tongue) |
| 120410 | Panim | beila- | | | Z'graggen (1980) | tongue |
| 197379 | Papi | sakeyo | | | Conrad and Dye (1975) | |
| 139775 | Parawen | yɛbisa | | | Z'graggen (1980) | (tongue) |
| 15991 | Pare | tɛ | | | Shaw (1986) | |
| 154845 | Pare | tɛ | | | McElhanon and Voorhoeve (1970) | tongue |
| 2092 | Pare | tɛ | | | Shaw (1973) | |
| 5172 | Pawaia | ha̧pi | | | Macdonald (1973) | |
| 122 | Pawaia | hɛmina | | | Trefry (1969) | |
| 191078 | Paynamar | mirβam | | | Z'graggen (1980) | tongue |
| 163577 | Pinai-Hagahai | sju'ə | | | Davies and Comrie (1985) | tongue |
| 163560 | Pinai-Hagahai (Aramo Dialect) | syê | | | Davies and Comrie (1985) | tongue |
| 163561 | Pinai-Hagahai (Aramo Dialect) | su'ə | | | Davies and Comrie (1985) | tongue |
| 163574 | Pinai-Hagahai (Nangenuwetan Dialect) | su'wɔ | | | Davies and Comrie (1985) | tongue |
| 163576 | Pinai-Hagahai (Wakadadap Dialect) | t̮su'ɛ | | | Davies and Comrie (1985) | tongue |
| 163575 | Pinai-Hagahai (Wakadadap Dialect) | t̮su'ə | | | Davies and Comrie (1985) | tongue |
| 243436 | Pouye | laləmu | | | Laycock (1968) | |
| 229226 | Proto-Awyu | *fagɛ | | | Healey (1970) | |
| 201717 | Proto-Awyu | *fɑge | | | Voorhoeve (2000) | |
