| 50661 | Maori | taaua | | | Harlow (1996) | |
| 25125 | Mara | ṇagara | | | Heath (1981) | |
| 24445 | Maranunggu | ŋaŋku | | | Tryon (1970) | |
| 28433 | Martuthunira | ngali | | | Dench (1995) | |
| 61978 | Mathi-Mathi | ngali | | | Blake et al. (2011) | |
| 33580 | Mauwake | (y)i | | | Berghäll (2010) | |
| 39419 | Mauwake | (y)i | | | Berghäll (2010) | |
| 48657 | Mavea | darua | | | Guérin (2011) | |
| 56995 | Mayogo | nɨ́ | | | Sawka (2001) | |
| 56479 | Mbato | lo˥ | | | Grassias and Bolé-Richard (1983) | |
| 58431 | Mbelimbe | ti˧ | | | Neukom (2004) | |
| 24109 | Mblafe | ni | | | Doehler, Christian () | |
| 43994 | Mbugu (Inner Dialect) | níne, nne | | | Mous (2003) | |
| 44042 | Mbugu (Normal Dialect) | úswi | | | Mous (2003) | |
| 41676 | Mehek | numbra, yelnda | | | Paulon et al. (2002) | |
| 60065 | Mekens-ICR-LB | ki- | | | Galucio (2001) | |
| 60819 | Mekens-ICR-RH | kise | | | Vilacy (2001) | |
| 60435 | Mekens_ICR_TCC | kise | | | Galucio (2001) | |
| 60209 | Mekens-ICR-WB | ose | | | Vilacy Galucio, Ana. 2001 () | |
| 41357 | Mende | šir | | | Hoel et al. (1994) | |
| 35388 | Menya | ye | | | Whitehead (2004) | |
| 42653 | Meriam | mi | | | Piper (1989) | |
| 50853 | Mewati | həm | | | Gusain (2003) | |
| 40292 | Meyah | nagif | | | Gravelle (2004) | |
| 30670 | Mian | níbó | | | Fedden (2007) | |
| 30672 | Mian | nílib- | | | Fedden (2007) | |
| 30671 | Mian | níb- | | | Fedden (2007) | |
| 39790 | Mian | níbó | | | Fedden (2007) | |
| 43898 | Modern Hebrew | anˈaxnu | | | Glinert (1989) | |
| 31086 | Moken | ʔetaʔ | | | Veena (1980) | |
| 31085 | Moken | kamoy | | | Veena (1980) | |
| 46673 | Mombum | num | | | Boelaars (1950) | |
| 48849 | Mongolian (Halh Dialect) | bid | | | Gaunt and Bayarmandakh (2004) | |
| 50049 | Mono | maita | | | Evans (2015) | |
| 45817 | Morisyen | nutu | | | Baker (1972) | |
| 43645 | Moroccan Arabic | ħna | | | Harrell (1962) | |
| 35116 | Moskona | yef | | | Gravelle (2010) | |
| 60915 | Mpakwithi | læn̪i | | | Dixon (1981) | |
| 61818 | Mpur | wor | | | Odé (2002) | |
| 40661 | Mufian | ae' iné' | | | Conrad et al. (1978) | |
| 52561 | Muinane | mɨ́ɨ́si | mɨ́ɨ́ɸe as feminine form | | Walton, Hensarling and Maxwell (2000) | |
| 57139 | Mumuye (Zing Dialect) | wò | | | Shimizu (1983) | |
| 34713 | Muna | intaidi | | | van den Berg (1989) | |
| 60305 | Mundari-ICR-KQ | alaŋ | | | Osada (1992) | |
| 60017 | Mundari-ICR-LB | aliŋ | | | Osada (1992) | |
| 60488 | Mundari_ICR_TCC | alaŋ | | | Osada (1992) | |
| 59194 | Mungbam (Abar Dialect) | sɔ˧ | | | Lovegren (2013) | |
| 59240 | Mungbam (Biya Dialect) | sə˧ | | | Lovegren (2013) | |
| 59287 | Mungbam (Missong Dialect) | sə˧ | | | Lovegren (2013) | |
| 59136 | Mungbam (Munken Dialect) | sə˧ | | | Lovegren (2013) | |
