| 2954 | Northeast Kiwai (Gope Dialect) | mihai | rain | | Wurm (1973) | rain |
| 31447 | Northeast Kiwai (Gibaio Dialect) | 'wíha: | rain | | Wurm (1973) | rain |
| 17259 | Northeast Kiwai (Arigibi Dialect) | 'viʔai | rain | | Wurm (1973) | rain |
| 159404 | Nomu | mɛrɛm | | | McElhanon and Voorhoeve (1970) | rain |
| 124379 | Nobonob | gu: | | | Z'graggen (1980) | rain |
| 243871 | Ningil | ni: | | | Laycock (1968) | |
| 198245 | Nimo | sʌ | | | Conrad and Dye (1975) | |
| 246349 | Nimo | sʌ | | | SIL (1963) | |
| 159394 | Nimi | naŋgi | | | McElhanon and Voorhoeve (1970) | rain |
| 237337 | Ngala | mac | | | Foley (2005) | |
| 159360 | Ngaing | wai | | | McElhanon and Voorhoeve (1970) | rain |
| 159361 | Neko | wai | | | McElhanon and Voorhoeve (1970) | rain |
| 159365 | Nekgini | tupuŋ | | | McElhanon and Voorhoeve (1970) | rain |
| 200209 | Nek (Goambot Dialect) | gwi | | | Retsema et al. (2009) | |
| 159398 | Nek | gwi | | | McElhanon and Voorhoeve (1970) | rain |
| 237619 | Namia | lau | | | Foley (2005) | |
| 243902 | Namia | lau | | | Laycock (1968) | |
| 124367 | Nake | vʌ: | | | Z'graggen (1980) | rain |
| 198994 | Nakame (Wasin Dialect) | gwi | | | Retsema et al. (2009) | |
| 198876 | Nakame (Sokan Dialect) | gimɑdi | | | Retsema et al. (2009) | |
| 198755 | Nakame (Sikalan Dialect) | smaptan | | | Retsema et al. (2009) | |
| 199240 | Nakame (Popof Dialect) | gwi | | | Retsema et al. (2009) | |
| 199635 | Nakame (Munguleng Dialect) | gwi | | | Retsema et al. (2009) | |
| 199113 | Nakame (Dzenzen Dialect) | gwi | | | Retsema et al. (2009) | |
| 159397 | Nakame | gwi | | | McElhanon and Voorhoeve (1970) | rain |
| 214049 | Nakai | ˈʔæmgɑ | | | Hughes (2009) | |
| 197809 | Nagatiman | tu | | | Conrad and Dye (1975) | |
| 243878 | Nabi | sup | | | Laycock (1968) | |
| 159415 | Nabak | map | | | McElhanon and Voorhoeve (1970) | rain |
| 90865 | Nabak | map | rain | | McElhanon (1967) | rain |
| 159329 | Muyu, South | am | | | McElhanon and Voorhoeve (1970) | rain |
| 159328 | Muyu, North | am | | | McElhanon and Voorhoeve (1970) | rain |
| 143332 | Musar | simbik | | | Z'graggen (1980) | rain |
| 193115 | Musak | ʌm | | | Z'graggen (1980) | rain |
| 124365 | Murupi | au | | | Z'graggen (1980) | rain |
| 240667 | Murik (Wagamut Dialect) | ařum | | | Abbott (1985) | |
| 240666 | Murik (Wagamut Dialect) | ˈalʊm | | | Abbott (1985) | |
| 240562 | Murik (Karau Dialect) | ˈařʊm | | | Abbott (1985) | |
| 159357 | Muratayak | agu | | | McElhanon and Voorhoeve (1970) | rain |
| 124354 | Munit | vã:ne | | | Z'graggen (1980) | rain |
| 198638 | Mungkip | gwi | | | Retsema et al. (2009) | |
| 159400 | Mungkip | gwi | | | McElhanon and Voorhoeve (1970) | rain |
| 193108 | Mum | kuku | | | Z'graggen (1980) | rain |
| 258082 | Mulaha | iabara | | | Dutton (1970) | rain |
| 3372 | Mubami | gozoi | rain | | Franklin (1973) | rain |
| 27439 | Mubami | goloi | rain | | Reesink (1976) | rain |
| 27440 | Mubami | dalɛhɔ | rain | | Reesink (1976) | rain |
| 3442 | Mubami | golo′i | rain | | Franklin (1973) | rain |
| 258081 | Motu | medu | | | Dutton (1970) | rain |
| 124368 | Mosimo | vɔ | | | Z'graggen (1980) | rain |
