| 231292 | Mandobo Atas | boro | | | Healey (1970) | |
| 231476 | Mandobo Atas (Kwem Dialect) | boro | | | Healey (1970) | |
| 92078 | Mape | gbewâ- | (its) wing | | McElhanon (1967) | (its) wing |
| 156209 | Mape (East Dialect) | toʔ | | | McElhanon and Voorhoeve (1970) | wing |
| 156207 | Mape (Naga Dialect) | toʔ | | | McElhanon and Voorhoeve (1970) | wing |
| 156208 | Mape (West Dialect) | toʔ | | | McElhanon and Voorhoeve (1970) | wing |
| 258670 | Maria (Maiagolo Dialect) | eˈrena eˈha | | | Dutton (1970) | wing |
| 258672 | Maria (Maranomu Dialect) | eˈrena eˈha | | | Dutton (1970) | wing |
| 258675 | Maria | eˈrena eˈha | | | Dutton (1970) | wing |
| 156142 | Marind (Gawir Dialect) | tah | | | McElhanon and Voorhoeve (1970) | wing |
| 121762 | Matepi | ailu | | | Z'graggen (1980) | wing |
| 140976 | Mauwake | ɛba | | | Z'graggen (1980) | (wing) |
| 140980 | Mawak | meŋgar | | | Z'graggen (1980) | (wing) |
| 121760 | Mawan | airu | | | Z'graggen (1980) | wing |
| 77758 | Maybrat | -aim | | | Dol (2007) | |
| 76884 | Mbaniata | ŋgofona | wing | | Tryon & Hackman (1983) | |
| 76776 | Mbaniata (Lokuru Dialect) | ŋgɔfɔna | wing | | Tryon & Hackman (1983) | |
| 76488 | Mbilua | zambu | wing | | Tryon & Hackman (1983) | |
| 76391 | Mbilua (Ndovele Dialect) | zambu | wing | | Tryon & Hackman (1983) | |
| 92072 | Mesem | kpogo | (its) wing | | McElhanon (1967) | (its) wing |
| 156199 | Mesem | poǥom | | | McElhanon and Voorhoeve (1970) | wing |
| 156128 | Mian | per | | | McElhanon and Voorhoeve (1970) | wing |
| 140975 | Miani | ɛmɛz | | | Z'graggen (1980) | (wing) |
| 218282 | Migabac | qegec | | | SIL (1975) | |
| 156201 | Migabac | kpegeʔ | | | McElhanon and Voorhoeve (1970) | wing |
| 177977 | Migum | ban | | | Z'graggen (1980) | wing |
| 140978 | Moere | mʌt | | | Z'graggen (1980) | (wing) |
| 156202 | Momare | kpageʔ | | | McElhanon and Voorhoeve (1970) | wing |
| 191766 | Moresada | nəwʌŋgʌk | | | Z'graggen (1980) | wing |
| 121753 | Mosimo | sʌ | | | Z'graggen (1980) | wing |
| 258677 | Motu | kokokoko | | | Dutton (1970) | wing |
| 82775 | Mum | aᵐb | | | Daniels (2010) | |
| 191762 | Mum | amb | | | Z'graggen (1980) | wing |
| 156184 | Mungkip | pʌpal | | | McElhanon and Voorhoeve (1970) | wing |
| 198652 | Mungkip | pəpa·ri | | | Retsema et al. (2009) | |
| 121738 | Munit | sʌb | | | Z'graggen (1980) | wing |
| 156146 | Muratayak | pay | | | McElhanon and Voorhoeve (1970) | wing |
| 240581 | Murik (Karau Dialect) | ˈkʰokʰotʰapʰ | | | Abbott (1985) | |
| 240681 | Murik (Wagamut Dialect) | ˈkʰokʰotʰapʰ | | | Abbott (1985) | |
| 121750 | Murupi | hʌ: | | | Z'graggen (1980) | wing |
| 191771 | Musak | ambɨŋ | | | Z'graggen (1980) | wing |
| 140982 | Musar | maŋgar | | | Z'graggen (1980) | (wing) |
| 156126 | Muyu, North | mburu | | | McElhanon and Voorhoeve (1970) | wing |
| 156127 | Muyu, South | purukap | | | McElhanon and Voorhoeve (1970) | wing |
| 92083 | Nabak | pɔp- | (its) wing | | McElhanon (1967) | (its) wing |
| 156198 | Nabak | pɔp | | | McElhanon and Voorhoeve (1970) | wing |
| 197840 | Nagatiman | hʷąkuluʔ | | | Conrad and Dye (1975) | |
| 213997 | Nakai | ˈbiɽu | | | Hughes (2009) | |
| 156181 | Nakame | papar | | | McElhanon and Voorhoeve (1970) | wing |
| 199127 | Nakame (Dzenzen Dialect) | pəpɑli | | | Retsema et al. (2009) | |
