| 165915 | Kuot | giginə | adj | | Lindström (2008) | |
| 164996 | Kyaka | kenda | | | Davies and Comrie (1985) | heavy |
| 164995 | Kyenele (Kyaimbarang Dialect) | 'gəgɽiwa | | | Davies and Comrie (1985) | heavy |
| 165002 | Kyenele (Miyak Dialect) | ŋgɨkʰǏiƀa | | | Davies and Comrie (1985) | heavy |
| 76226 | Lavukaleve | mutete | heavy | | Tryon & Hackman (1983) | |
| 165000 | Lembena | kenda pilimi | | | Davies and Comrie (1985) | heavy |
| 165001 | Lembena (Maibi Dialect) | kɛnda'βɩŋk͑ | | | Davies and Comrie (1985) | heavy |
| 165008 | Lembena (Yariba Dialect) | 'k͑ɛndaˌβiɽɩm | | | Davies and Comrie (1985) | heavy |
| 181391 | Lemio | kemri- | | | Z'graggen (1980) | heavy |
| 144325 | Maia (Pila Dialect) | gurum | | | Z'graggen (1980) | heavy |
| 144326 | Maia (Saki Dialect) | tabeb | | | Z'graggen (1980) | heavy |
| 75120 | Mailu | urumu | | | Saville (1912) | |
| 86228 | Mailu (Asiaoro Dialect) | urumu | | | Thomson (1975) | |
| 87598 | Mailu (Baibara Dialect) | urumu | | | Thomson (1975) | |
| 87050 | Mailu (Borebo Dialect) | urumu | | | Thomson (1975) | |
| 88420 | Mailu (Darava Dialect) | urumu | | | Thomson (1975) | |
| 88146 | Mailu (Delebai Dialect) | urumu | | | Thomson (1975) | |
| 87324 | Mailu (Domara Dialect) | urumu | | | Thomson (1975) | |
| 87872 | Mailu (Geagea Dialect) | urumu | | | Thomson (1975) | |
| 86502 | Mailu (Ilai Dialect) | urumu | | | Thomson (1975) | |
| 86776 | Mailu (Island Dialect) | urumu | | | Thomson (1975) | |
| 221306 | Maiwa | ip'nawa | | | SIL (1973) | |
| 144324 | Mala | ubi | | | Z'graggen (1980) | heavy |
| 144320 | Malas | bi:nat | | | Z'graggen (1980) | heavy |
| 181406 | Male | kuliɣ- | | | Z'graggen (1980) | heavy |
| 233171 | Mali (Arambum Dialect) | mᵊřʌn | | | SIL (1985) | |
| 233285 | Mali (Makunga Dialect) | amᵊřʌ | | | SIL (1985) | |
| 231316 | Mandobo Atas | kaakön | | | Healey (1970) | |
| 231500 | Mandobo Atas (Kwem Dialect) | kaakön | | | Healey (1970) | |
| 29495 | Manem | kəne | | | Voorhoeve (1971) | |
| 259856 | Maria (Maiagolo Dialect) | hoere- | | | Dutton (1970) | heavy |
| 259858 | Maria (Maranomu Dialect) | hoeˈre- | | | Dutton (1970) | heavy |
| 125514 | Matepi | uwahau | | | Z'graggen (1980) | heavy |
| 144328 | Mauwake | ubi | | | Z'graggen (1980) | heavy |
| 144332 | Mawak | pinʌnt | | | Z'graggen (1980) | heavy |
| 125512 | Mawan | u: | | | Z'graggen (1980) | heavy |
| 77877 | Maybrat | samuoh | | | Dol (2007) | |
| 77054 | Mbaniata | momota | heavy | | Tryon & Hackman (1983) | |
| 76669 | Mbaniata (Lokuru Dialect) | momota | heavy | | Tryon & Hackman (1983) | |
| 76532 | Mbilua | nduki | heavy | | Tryon & Hackman (1983) | |
| 76421 | Mbilua (Ndovele Dialect) | nduki | heavy | | Tryon & Hackman (1983) | |
| 196675 | Mian | ilum | | | Loughnane and Fedden (2011) | |
| 144327 | Miani | ubi | | | Z'graggen (1980) | heavy |
| 218348 | Migabac | umacine | | | SIL (1975) | |
| 144330 | Moere | pineʔ | | | Z'graggen (1980) | heavy |
| 193701 | Moresada | wit- | | | Z'graggen (1980) | heavy |
| 125505 | Mosimo | kuomu | | | Z'graggen (1980) | heavy |
| 259862 | Motu | metau- | | | Dutton (1970) | heavy |
| 15036 | Mountain Koiari | isu|a | heavy | | Dutton (2010) | |
| 193697 | Mum | pumᵘ | | | Z'graggen (1980) | heavy |
