| 86934 | Mailu (Borebo Dialect) | ʔopi | | | Thomson (1975) | |
| 88304 | Mailu (Darava Dialect) | ʔopi | | | Thomson (1975) | |
| 88030 | Mailu (Delebai Dialect) | ʔopi | | | Thomson (1975) | |
| 87208 | Mailu (Domara Dialect) | ʔopi | | | Thomson (1975) | |
| 87756 | Mailu (Geagea Dialect) | ʔopi | | | Thomson (1975) | |
| 86386 | Mailu (Ilai Dialect) | ʔopi | | | Thomson (1975) | |
| 86660 | Mailu (Island Dialect) | ʔopi | | | Thomson (1975) | |
| 221289 | Maiwa | kʷa'pʰiwa | | | SIL (1973) | |
| 258394 | Maria (Maiagolo Dialect) | ˈyabo ˈroʔo | | | Dutton (1970) | bark of tree |
| 258396 | Maria (Maranomu Dialect) | ˈyabo ˈroo | | | Dutton (1970) | bark of tree |
| 258398 | Maria (Uderi Dialect) | ˈyavo ˈroʔo | | | Dutton (1970) | bark of tree |
| 258400 | Maria | ˈyabo ˈroo | | | Dutton (1970) | bark of tree |
| 271 | Mena | ikoro | | | Franklin (1973) | |
| 4799 | Menya | (yɨ) hviwa | | | Lloyd (1973) | |
| 218327 | Migabac | joc soc | | | SIL (1975) | |
| 3068 | Minanibai | dɛ kiapana | | | Franklin (1973) | |
| 6133 | Moni (Kemandoga Dialect) | ada | | | Larson & Larson (1972) | bark/skin |
| 3487 | Morigi | noʔa tama | | | Wurm (1973) | |
| 258402 | Motu | kopi- | | | Dutton (1970) | bark of tree |
| 27458 | Mubami | iʔa | | | Reesink (1976) | |
| 3385 | Mubami | a:′o | | | Franklin (1973) | |
| 27457 | Mubami | aipele | | | Reesink (1976) | |
| 258403 | Mulaha | tubaiaigi | | | Dutton (1970) | bark of tree |
| 198644 | Mungkip | girim | | | Retsema et al. (2009) | |
| 240606 | Murik (Karau Dialect) | ˈɩmbəřan | | | Abbott (1985) | |
| 240703 | Murik (Wagamut Dialect) | ˈɩmbařan | | | Abbott (1985) | |
| 214017 | Nakai | ʔɑːkɑt̚ | | | Hughes (2009) | |
| 199119 | Nakame (Dzenzen Dialect) | gəlepm̩ | | | Retsema et al. (2009) | |
| 199642 | Nakame (Munguleng Dialect) | gɨlɛp | | | Retsema et al. (2009) | |
| 199643 | Nakame (Munguleng Dialect) | gɨlɛpmūŋ | | | Retsema et al. (2009) | |
| 199246 | Nakame (Popof Dialect) | giɾipni | | | Retsema et al. (2009) | |
| 198760 | Nakame (Sikalan Dialect) | gəlɛm | | | Retsema et al. (2009) | |
| 198881 | Nakame (Sokan Dialect) | gɨlɛpm̩ | | | Retsema et al. (2009) | |
| 199000 | Nakame (Wasin Dialect) | gɛrɛpmiŋ | | | Retsema et al. (2009) | |
| 200214 | Nek (Goambot Dialect) | ŋgulep | | | Retsema et al. (2009) | |
| 17272 | Northeast Kiwai (Arigibi Dialect) | 'núʔʌtama | | | Wurm (1973) | |
| 31460 | Northeast Kiwai (Gibaio Dialect) | tʌm'má | | | Wurm (1973) | |
| 2967 | Northeast Kiwai (Gope Dialect) | tama | | | Wurm (1973) | |
| 983 | Northeast Kiwai (Urama Dialect) | tama | | | Wurm (1973) | |
| 199836 | Nuk (Tamben Dialect) | guɾɑp | | | Retsema et al. (2009) | |
| 199948 | Nuk (Tunam Dialect) | gulɛpm̩ | | | Retsema et al. (2009) | |
| 16322 | Odoodee (Hesif Dialect) | hɔmɔ kulɔ | | | Shaw (1986) | |
| 16222 | Odoodee (Kalamo Dialect) | hɔmɔ kɔlɔ | | | Shaw (1986) | |
| 3692 | Omati | pavi kene | | | Franklin (1973) | |
| 16122 | Onabasulu | i patɔ | | | Shaw (1986) | |
| 6017 | Onabasulu | i tomala | | | Shaw (1973) | |
| 4585 | Opao | kora uru | | | Brown (1973) | |
| 4005 | Orokolo (Kaipi Dialect) | toa ruru | | | Brown (1973) | |
| 4689 | Orokolo | kora iilu | | | Brown (1973) | |
| 233061 | Owiniga | sɛƀɛ | | | SIL (1972) | |
