| 77861 | Maybrat | wo-yo | | | Dol (2007) | |
| 77859 | Maybrat | mi-yo | | | Dol (2007) | |
| 76947 | Mbaniata | āŋo | where? | | Tryon & Hackman (1983) | |
| 76941 | Mbaniata | āe | where? | | Tryon & Hackman (1983) | |
| 76802 | Mbaniata (Lokuru Dialect) | aeno | where? | | Tryon & Hackman (1983) | |
| 76580 | Mbilua | lai | where? | | Tryon & Hackman (1983) | |
| 76403 | Mbilua (Ndovele Dialect) | lai | where? | | Tryon & Hackman (1983) | |
| 91680 | Mesem | dene | where | | McElhanon (1967) | where |
| 144879 | Miani | ikaᵬa | | | Z'graggen (1980) | where? |
| 218363 | Migabac | macwena | | | SIL (1975) | |
| 181875 | Migum | amo | | | Z'graggen (1980) | where |
| 144882 | Moere | kamʌːnɛ | | | Z'graggen (1980) | where? |
| 193989 | Moresada | andə:ke | | | Z'graggen (1980) | where |
| 126095 | Mosimo | romo | | | Z'graggen (1980) | where |
| 260033 | Motu | edeseni ai | | | Dutton (1970) | where (at) |
| 260034 | Mulaha | natu | | | Dutton (1970) | where (at) |
| 193986 | Mum | pambu | | | Z'graggen (1980) | where |
| 198681 | Mungkip | deŋ | | | Retsema et al. (2009) | |
| 126079 | Munit | ʌdi | | | Z'graggen (1980) | where |
| 126092 | Murupi | ʌragaya | | | Z'graggen (1980) | where |
| 193994 | Musak | wandɛ | | | Z'graggen (1980) | where |
| 144886 | Musar | gɛnatɛ | | | Z'graggen (1980) | where? |
| 91691 | Nabak | den | where | | McElhanon (1967) | where |
| 214175 | Nakai | ˈwɑjɑt̪e | | | Hughes (2009) | |
| 199160 | Nakame (Dzenzen Dialect) | deq | | | Retsema et al. (2009) | |
| 199685 | Nakame (Munguleng Dialect) | deq | | | Retsema et al. (2009) | |
| 199288 | Nakame (Popof Dialect) | deq | | | Retsema et al. (2009) | |
| 198799 | Nakame (Sikalan Dialect) | dɛjək | | | Retsema et al. (2009) | |
| 198918 | Nakame (Sokan Dialect) | deŋɑ | | | Retsema et al. (2009) | |
| 199038 | Nakame (Wasin Dialect) | deək | | | Retsema et al. (2009) | |
| 126094 | Nake | are | | | Z'graggen (1980) | where |
| 200252 | Nek (Goambot Dialect) | deək | | | Retsema et al. (2009) | |
| 193992 | Nend | inzigandɨk | | | Z'graggen (1980) | where |
| 126107 | Nobonob | adepa | | | Z'graggen (1980) | where |
| 126106 | Nobonob | adeŋgu | | | Z'graggen (1980) | where |
| 199874 | Nuk (Tamben Dialect) | deq | | | Retsema et al. (2009) | |
| 199986 | Nuk (Tunam Dialect) | dɛk | | | Retsema et al. (2009) | |
| 181888 | Ogea | alʌ | | | Z'graggen (1980) | where |
| 75535 | Oirata | ina'nani | | | Taber (1993) | |
| 91678 | Ono | dia | where | | McElhanon (1967) | where |
| 144889 | Pal | awanda | | | Z'graggen (1980) | where? |
| 144885 | Pamosu | kono | | | Z'graggen (1980) | where? |
| 126088 | Panim | ai | | | Z'graggen (1980) | where |
| 144894 | Parawen | mais | | | Z'graggen (1980) | where? |
| 193995 | Paynamar | baia | | | Z'graggen (1980) | where |
| 74850 | Proto-Eastern-Central | **s(ai) | | | Scott (1978) | |
| 95737 | Proto-Kwalean | *nau | | | Ross (2014) | where (at)? |
| 207687 | Proto-Mabuso | *adegb(a) | | | Ross (2014) | where |
| 209145 | Proto-Mabuso | *arek | | | Ross (2014) | where |
| 209245 | Proto-Madang | *adi | | | Ross (2014) | where? |
