| 86049 | Mailu (Asiaoro Dialect) | ʔope | | | Thomson (1975) | |
| 87419 | Mailu (Baibara Dialect) | ʔope | | | Thomson (1975) | |
| 86871 | Mailu (Borebo Dialect) | ʔope | | | Thomson (1975) | |
| 88241 | Mailu (Darava Dialect) | ʔope | | | Thomson (1975) | |
| 87967 | Mailu (Delebai Dialect) | ʔope | | | Thomson (1975) | |
| 87145 | Mailu (Domara Dialect) | ʔope | | | Thomson (1975) | |
| 87693 | Mailu (Geagea Dialect) | ʔope | | | Thomson (1975) | |
| 86323 | Mailu (Ilai Dialect) | ʔope | | | Thomson (1975) | |
| 86597 | Mailu (Island Dialect) | ʔope | | | Thomson (1975) | |
| 217810 | Maiwa | naunáwa | Daga - darinewa | | SIL (1967) | |
| 221213 | Maiwa | naᵘ'nawa | | | SIL (1973) | |
| 139643 | Mala | -suwat | | | Z'graggen (1980) | ear |
| 139638 | Malas | indon | | | Z'graggen (1980) | ear |
| 176649 | Male | damui | | | Z'graggen (1980) | ear |
| 233120 | Mali (Arambum Dialect) | asdɛmgi | | | SIL (1985) | |
| 233222 | Mali (Makunga Dialect) | sʌdᶺm | | | SIL (1985) | |
| 155957 | Mamaa | du | | | McElhanon and Voorhoeve (1970) | ear |
| 155962 | Ma Manda | du | | | McElhanon and Voorhoeve (1970) | ear |
| 237416 | Manambu | wan | | | Foley (2005) | |
| 155895 | Mandobo Atas | keretop | | | McElhanon and Voorhoeve (1970) | ear |
| 201340 | Mandobo Atas | keretop | | | Voorhoeve (2000) | |
| 201427 | Mandobo Atas (Yonggom Dialect) | turutop | | | Voorhoeve (2000) | |
| 29473 | Manem | kafŋe | | | Voorhoeve (1971) | |
| 91406 | Mape | kadze- | (its) ear | | McElhanon (1967) | (its) ear |
| 155992 | Mape (East Dialect) | kadzeʔ | | | McElhanon and Voorhoeve (1970) | ear |
| 155991 | Mape (West Dialect) | kadzeʔ | | | McElhanon and Voorhoeve (1970) | ear |
| 236786 | Marangis | kwar | | | Foley (2005) | |
| 257584 | Maria (Maiagolo Dialect) | aˈnema | | | Dutton (1970) | ear |
| 257586 | Maria (Maranomu Dialect) | aˈnema | | | Dutton (1970) | ear |
| 257588 | Maria (Uderi Dialect) | aˈnema | | | Dutton (1970) | ear |
| 257590 | Maria | aˈnema | | | Dutton (1970) | ear |
| 155920 | Marind (Gawir Dialect) | kembet | | | McElhanon and Voorhoeve (1970) | ear |
| 120306 | Matepi | dahu- | | | Z'graggen (1980) | ear |
| 139647 | Mauwake | ifana | | | Z'graggen (1980) | ear |
| 139651 | Mawak | iwament | | | Z'graggen (1980) | ear |
| 120304 | Mawan | dahu- | | | Z'graggen (1980) | ear |
| 77937 | Maybrat | -imara | | | Dol (2007) | |
| 76957 | Mbaniata | ōŋgoto | ear | | Tryon & Hackman (1983) | |
| 76685 | Mbaniata (Lokuru Dialect) | ōŋgoto | ear | | Tryon & Hackman (1983) | |
| 76615 | Mbilua | taliŋa | ear | | Tryon & Hackman (1983) | |
| 76390 | Mbilua (Ndovele Dialect) | taliŋa | ear | | Tryon & Hackman (1983) | |
| 236785 | Mbore | kwar | | | Foley (2005) | |
| 243359 | Mehek | namra | | | Laycock (1968) | |
| 238 | Mena | kovi | | | Franklin (1973) | |
| 243368 | Mende | mampla | | | Laycock (1968) | |
| 4766 | Menya | qata | | | Lloyd (1973) | |
| 91400 | Mesem | bəbət- | (its) ear | | McElhanon (1967) | (its) ear |
| 155983 | Mesem | bʌbʌsin | | | McElhanon and Voorhoeve (1970) | ear |
| 155901 | Mian | koron | | | McElhanon and Voorhoeve (1970) | ear |
| 139646 | Miani | -tiwat | | | Z'graggen (1980) | ear |
