| 25126 | Mara | ṇagara | | | Heath (1981) | |
| 24446 | Maranunggu | -ŋaŋku | | | Tryon (1970) | |
| 28434 | Martuthunira | ngalii | | | Dench (1995) | |
| 61977 | Mathi-Mathi | ngalin | | | Blake et al. (2011) | |
| 39420 | Mauwake | yia | | | Berghäll (2010) | |
| 33581 | Mauwake | yia | | | Berghäll (2010) | |
| 48656 | Mavea | darua | | | Guérin (2011) | |
| 56994 | Mayogo | nɨ́ | | | Sawka (2001) | |
| 56478 | Mbato | lɔ˧ | | | Grassias and Bolé-Richard (1983) | |
| 58430 | Mbelimbe | ti˧ | | | Neukom (2004) | |
| 24110 | Mblafe | ni | | | Doehler, Christian () | |
| 43993 | Mbugu (Inner Dialect) | níne, nne | | | Mous (2003) | |
| 44041 | Mbugu (Normal Dialect) | úswi | | | Mous (2003) | |
| 41675 | Mehek | numbra, yelnda | | | Paulon et al. (2002) | |
| 60064 | Mekens-ICR-LB | ki- | | | Galucio (2001) | |
| 60818 | Mekens-ICR-RH | ki- | | | Vilacy (2001) | |
| 60434 | Mekens_ICR_TCC | kise | | | Galucio (2001) | |
| 60208 | Mekens-ICR-WB | ose | | | Vilacy Galucio, Ana. 2001 () | |
| 41356 | Mende | širin | | | Hoel et al. (1994) | |
| 35389 | Menya | ye | | | Whitehead (2004) | |
| 42652 | Meriam | merbi | | | Piper (1989) | |
| 50852 | Mewati | həm | | | Gusain (2003) | |
| 40291 | Meyah | nagif | | | Gravelle (2004) | |
| 30674 | Mian | níb- | | | Fedden (2007) | |
| 39793 | Mian | níbó | | | Fedden (2007) | |
| 30675 | Mian | nílib- | | | Fedden (2007) | |
| 30673 | Mian | níbó | | | Fedden (2007) | |
| 43897 | Modern Hebrew | -ˈɛnu | | | Glinert (1989) | |
| 31087 | Moken | kamoy | | | Veena (1980) | |
| 31088 | Moken | ʔetaʔ | | | Veena (1980) | |
| 46672 | Mombum | numwɛi | | | Boelaars (1950) | |
| 48848 | Mongolian (Halh Dialect) | bidniig | | | Gaunt and Bayarmandakh (2004) | |
| 50048 | Mono | maita | | | Evans (2015) | |
| 45816 | Morisyen | nutu | | | Baker (1972) | |
| 43644 | Moroccan Arabic | -na | | | Harrell (1962) | |
| 35117 | Moskona | yef | | | Gravelle (2010) | |
| 60914 | Mpakwithi | læn̪i | | | Dixon (1981) | |
| 61817 | Mpur | wor | | | Odé (2002) | |
| 40660 | Mufian | ae' iné' | | | Conrad et al. (1978) | |
| 52560 | Muinane | mɨ́ɨ́si | mɨ́ɨ́ɸe as feminine form | | Walton, Hensarling and Maxwell (2000) | |
| 57138 | Mumuye (Zing Dialect) | wò | | | Shimizu (1983) | |
| 34714 | Muna | intaidi | | | van den Berg (1989) | |
| 60304 | Mundari-ICR-KQ | alaŋ | | | Osada (1992) | |
| 60016 | Mundari-ICR-LB | aliŋ | | | Osada (1992) | |
| 60487 | Mundari_ICR_TCC | alaŋ | | | Osada (1992) | |
| 59193 | Mungbam (Abar Dialect) | sɔ˩ | | | Lovegren (2013) | |
| 59239 | Mungbam (Biya Dialect) | sə˧ | | | Lovegren (2013) | |
| 59286 | Mungbam (Missong Dialect) | sə˩ | | | Lovegren (2013) | |
| 59135 | Mungbam (Munken Dialect) | sə˩ | | | Lovegren (2013) | |
| 59334 | Mungbam (Ngun Dialect) | sə˧˩ | | | Lovegren (2013) | |
