| 3474 | Morigi | wihale | rain | | Wurm (1973) | rain |
| 193112 | Moresada | sɨrʌp | | | Z'graggen (1980) | rain |
| 7306 | Moni (Kemandoga Dialect) | janga | rain | | Larson & Larson (1972) | rain |
| 159418 | Momare | hae | | | McElhanon and Voorhoeve (1970) | rain |
| 29595 | Molof | nemei | rain | | Voorhoeve (1971) | rain |
| 143328 | Moere | ipi | | | Z'graggen (1980) | rain |
| 243880 | Minidien | mukɨ | | | Laycock (1968) | |
| 3055 | Minanibai | dareᵽo | rain | | Franklin (1973) | rain |
| 180353 | Migum | koub | | | Z'graggen (1980) | rain |
| 218266 | Migabac | hae | | | SIL (1975) | |
| 143325 | Miani | nat | | | Z'graggen (1980) | rain |
| 159331 | Mian | sok | | | McElhanon and Voorhoeve (1970) | rain |
| 196684 | Mian | sók | | | Loughnane and Fedden (2011) | |
| 159416 | Mesem | ma | | | McElhanon and Voorhoeve (1970) | rain |
| 90854 | Mesem | ma | rain | | McElhanon (1967) | rain |
| 4786 | Menya | piya | rain | | Lloyd (1973) | rain |
| 243901 | Mende | ma | | | Laycock (1968) | |
| 258 | Mena | kore | rain | | Franklin (1973) | rain |
| 243892 | Mehek | loko | | | Laycock (1968) | |
| 124375 | Mawan | gu | | | Z'graggen (1980) | rain |
| 143330 | Mawak | sepik | | | Z'graggen (1980) | rain |
| 143326 | Mauwake | epia | | | Z'graggen (1980) | rain |
| 124377 | Matepi | wʌ | | | Z'graggen (1980) | rain |
| 159352 | Marind (Gawir Dialect) | hei | | | McElhanon and Voorhoeve (1970) | rain |
| 159351 | Marind (Gawir Dialect) | xe | | | McElhanon and Voorhoeve (1970) | rain |
| 258079 | Maria | ˈtouʔa | | | Dutton (1970) | rain |
| 258077 | Maria (Uderi Dialect) | ˈmia | | | Dutton (1970) | rain |
| 258075 | Maria (Maranomu Dialect) | ˈtou | | | Dutton (1970) | rain |
| 258073 | Maria (Maiagolo Dialect) | niˈa | | | Dutton (1970) | rain |
| 258072 | Maria (Maiagolo Dialect) | ˈʔou | | | Dutton (1970) | rain |
| 159424 | Mape (West Dialect) | kue | | | McElhanon and Voorhoeve (1970) | rain |
| 159423 | Mape (Naga Dialect) | koe | | | McElhanon and Voorhoeve (1970) | rain |
| 159425 | Mape (East Dialect) | kue | | | McElhanon and Voorhoeve (1970) | rain |
| 90860 | Mape | kue | rain | | McElhanon (1967) | rain |
| 261241 | Manep | timbi | | | Pick (2019) | rain |
| 29512 | Manem | pu | rain | | Voorhoeve (1971) | rain |
| 201459 | Mandobo Atas (Yonggom Dialect) | mirip | | | Voorhoeve (2000) | |
| 231551 | Mandobo Atas (Kwem Dialect) | murüp | | | Healey (1970) | |
| 231367 | Mandobo Atas | murüp | | | Healey (1970) | |
| 159326 | Mandobo Atas | murup | | | McElhanon and Voorhoeve (1970) | rain |
| 201378 | Mandobo Atas | murüp | | | Voorhoeve (2000) | |
| 237338 | Manambu | war | | | Foley (2005) | |
| 159395 | Ma Manda | gii | | | McElhanon and Voorhoeve (1970) | rain |
| 159390 | Mamaa | wiiʔ | | | McElhanon and Voorhoeve (1970) | rain |
| 180370 | Male | wʌ | | | Z'graggen (1980) | rain |
| 143317 | Malas | timbi | | | Z'graggen (1980) | rain |
| 143321 | Mala | bebi | | | Z'graggen (1980) | rain |
| 217820 | Maiwa | uwin | Daga - ugin | | SIL (1967) | |
| 221236 | Maiwa | 'u·.ɩn | | | SIL (1973) | |
| 86636 | Mailu (Island Dialect) | guba | | | Thomson (1975) | |
