| 662 | Mundari_ICR_TCC | Osada (1992) | |
| 658 | Mundari-ICR-KQ | Osada (1992) | |
| 652 | Mundari-ICR-LB | Osada (1992) | |
| 495 | Cogui | Ortíz Ricaurte (2000) | |
| 514 | Tinigua | Ortiz (2000) | |
| 522 | Guayabero | Ortiz (1989) | |
| 234 | Terei | Onishi (2004) | |
| 236 | Sibe | Onishi (2004) | |
| 232 | Naasioi | Onishi (2004) | |
| 235 | Siwai | Onishi (2004) | |
| 631 | Bete-Bendi | Oha (2012) | Free |
| 237 | English | OED (2013) | |
| 687 | Mpur | Odé (2002) | |
| 54 | Muruwari | Oates (1988) | Free |
| 106 | Wambaya | Nordlinger (1998) | Free |
| 325 | Iraqw | Nordbustad (1988) | Free |
| 281 | Ingush | Nichols (2011) | Free |
| 558 | Wolof | Ngom (2003) | Free |
| 6 | Lardil | Ngakulmungan Kangka Leman (1997) | |
| 323 | Hausa | Newman (2000) | Free |
| 617 | Mbelimbe | Neukom (2004) | Free |
| 616 | Nateni | Neukom (1995) | Free |
| 443 | Vaeakau-Taumako | Næss (2000) | Free |
| 197 | Garrwa | Mushin (2012) | Free |
| 685 | Neve'ei | Musgrave (2007) | |
| 238 | Rapoisi | Müller (1954) | |
| 540 | West-Central Limba | Mukarovsky (1962/1963) | Free |
| 301 | Mbugu (Normal Dialect) | Mous (2003) | Free |
| 300 | Mbugu (Inner Dialect) | Mous (2003) | Free |
| 494 | Piaroa | Mosonyi (2000) | |
| 492 | Curripaco | Mosonyi (2000) | |
| 493 | Piapoco | Mosonyi (2000) | |
| 467 | Northern Embera | Mortensen (1999) | |
| 429 | Cubeo | Morse and Maxwell (1999) | Free |
| 594 | Buamu | Morse (1976) | Free |
| 18 | Djapu | Morphy (1983) | Free |
| 565 | Aja | Morley (2010) | Free |
| 557 | Ndut | Morgan (1996) | Free |
| 481 | Carijona | Moreno (2000) | |
| 676 | Malay (Ambon Dialect) | Minde (1997) | |
| 430 | Yanomama | Migliazza (1972) | |
| 442 | Mangarayi | Merlan (1989) | Free |
| 14 | Ngalakan | Merlan (1983) | |
| 578 | Krobu | Mensah (1983) | Free |
| 446 | Lingala | Meeuwis (2010) | Free |
| 347 | Ngarinman (Bilinara (Pilinara) Dialect) | Meakins and Nordlinger (2014) | Free |
| 186 | Kodeoha | Mead (1999) | |
| 118 | Ndjébbana | McKay (2000) | |
| 57 | Nyulnyul | McGregor (2011) | Free |
| 80 | Kwini | McGregor (1993) | Free |
