| 25116 | Mara | ṇiriña | | | Heath (1981) | |
| 24436 | Maranunggu | ŋatamata | | | Tryon (1970) | |
| 61932 | Martuthunira | ngaliya | | | Dench (1995) | |
| 61984 | Mathi-Mathi | ngali | | | Blake et al. (2011) | |
| 39404 | Mauwake | (y)i | | | Berghäll (2010) | |
| 33565 | Mauwake | (y)i | | | Berghäll (2010) | |
| 48666 | Mavea | kam̋arua | | | Guérin (2011) | |
| 57004 | Mayogo | ya | | | Sawka (2001) | |
| 56488 | Mbato | lo˥ | | | Grassias and Bolé-Richard (1983) | |
| 58440 | Mbelimbe | ti˧ | | | Neukom (2004) | |
| 24100 | Mblafe | nəndʒe | | | Doehler, Christian () | |
| 44003 | Mbugu (Inner Dialect) | níne, nne | | | Mous (2003) | |
| 44051 | Mbugu (Normal Dialect) | úswi | | | Mous (2003) | |
| 41683 | Mehek | numbra | | | Paulon et al. (2002) | |
| 60074 | Mekens-ICR-LB | ose | | | Galucio (2001) | |
| 60828 | Mekens-ICR-RH | ose | | | Vilacy (2001) | |
| 60444 | Mekens_ICR_TCC | ose | | | Galucio (2001) | |
| 60218 | Mekens-ICR-WB | ose | | | Vilacy Galucio, Ana. 2001 () | |
| 41366 | Mende | šir | | | Hoel et al. (1994) | |
| 35379 | Menya | ye | | | Whitehead (2004) | |
| 42662 | Meriam | ki | | | Piper (1989) | |
| 50862 | Mewati | həm | | | Gusain (2003) | |
| 40301 | Meyah | magif | | | Gravelle (2004) | |
| 30647 | Mian | ní | | | Fedden (2007) | |
| 30649 | Mian | níli | | | Fedden (2007) | |
| 39766 | Mian | ní | | | Fedden (2007) | |
| 30648 | Mian | ní- | | | Fedden (2007) | |
| 43907 | Modern Hebrew | anˈaxnu | | | Glinert (1989) | |
| 31068 | Moken | ʔetaʔ | | | Veena (1980) | |
| 31067 | Moken | kamoy | | | Veena (1980) | |
| 46682 | Mombum | num | | | Boelaars (1950) | |
| 48858 | Mongolian (Halh Dialect) | bid | | | Gaunt and Bayarmandakh (2004) | |
| 50058 | Mono | mani | | | Evans (2015) | |
| 45826 | Morisyen | nuzot | | | Baker (1972) | |
| 43654 | Moroccan Arabic | ħna | | | Harrell (1962) | |
| 35107 | Moskona | yef | | | Gravelle (2010) | |
| 60924 | Mpakwithi | nini | | | Dixon (1981) | |
| 61827 | Mpur | wor | | | Odé (2002) | |
| 40670 | Mufian | afé biafa | | | Conrad et al. (1978) | |
| 52570 | Muinane | mɨ́ɨ́si | mɨ́ɨ́ɸe as feminine form | | Walton, Hensarling and Maxwell (2000) | |
| 57148 | Mumuye (Zing Dialect) | wò | | | Shimizu (1983) | |
| 34704 | Muna | insaidi | | | van den Berg (1989) | |
| 60314 | Mundari-ICR-KQ | aliŋ | | | Osada (1992) | |
| 60026 | Mundari-ICR-LB | alaŋ | | | Osada (1992) | |
| 60459 | Mundari_ICR_TCC | aliŋ | | | Osada (1992) | |
| 59203 | Mungbam (Abar Dialect) | sɔ˧ | | | Lovegren (2013) | |
| 59249 | Mungbam (Biya Dialect) | sə˧ | | | Lovegren (2013) | |
| 59296 | Mungbam (Missong Dialect) | sə˧ | | | Lovegren (2013) | |
| 59145 | Mungbam (Munken Dialect) | sə˧ | | | Lovegren (2013) | |
| 59344 | Mungbam (Ngun Dialect) | sə˧ | | | Lovegren (2013) | |
