| 178644 | Male | mal | | | Z'graggen (1980) | snake |
| 233162 | Mali (Arambum Dialect) | ulangi | | | SIL (1985) | |
| 233266 | Mali (Makunga Dialect) | aᵘlanki | | | SIL (1985) | |
| 237452 | Manambu | kampay | | | Foley (2005) | |
| 92036 | Mape | kobeŋ | snake | | McElhanon (1967) | snake |
| 236866 | Marangis | mindop | | | Foley (2005) | |
| 258694 | Maria (Maiagolo Dialect) | aˈruma | | | Dutton (1970) | snake |
| 258696 | Maria (Maranomu Dialect) | aˈruma | | | Dutton (1970) | snake |
| 258698 | Maria (Uderi Dialect) | koˈmana | | | Dutton (1970) | snake |
| 258700 | Maria | aˈruma | | | Dutton (1970) | snake |
| 122485 | Matepi | su | | | Z'graggen (1980) | snake |
| 141603 | Mauwake | ifa | | | Z'graggen (1980) | snake |
| 141607 | Mawak | iwa | | | Z'graggen (1980) | snake |
| 122483 | Mawan | mat | | | Z'graggen (1980) | snake |
| 77789 | Maybrat | apan | | | Dol (2007) | |
| 76890 | Mbaniata | noi | snake | | Tryon & Hackman (1983) | |
| 76779 | Mbaniata (Lokuru Dialect) | noi | snake | | Tryon & Hackman (1983) | |
| 76504 | Mbilua | ndɔle | snake | | Tryon & Hackman (1983) | |
| 76313 | Mbilua (Ndovele Dialect) | ndole | snake | | Tryon & Hackman (1983) | |
| 236865 | Mbore | nduop | | | Foley (2005) | |
| 92030 | Mesem | asį | snake | | McElhanon (1967) | snake |
| 196687 | Mian | inǎb | | | Loughnane and Fedden (2011) | |
| 141602 | Miani | mwat | | | Z'graggen (1980) | snake |
| 218307 | Migabac | koma | | | SIL (1975) | |
| 178625 | Migum | sawai | | | Z'graggen (1980) | snake |
| 141605 | Moere | iwua | | | Z'graggen (1980) | snake |
| 29630 | Molof | woske | | | Voorhoeve (1971) | |
| 192136 | Moresada | wanzᵊrᵊŋʌmp | | | Z'graggen (1980) | snake |
| 122476 | Mosimo | magay | | | Z'graggen (1980) | snake |
| 258702 | Motu | gwarume | | | Dutton (1970) | snake |
| 258703 | Mulaha | baita | | | Dutton (1970) | snake |
| 83460 | Mum | tau | | | Daniels (2010) | |
| 192132 | Mum | tʌβ | | | Z'graggen (1980) | snake |
| 198608 | Mungkip | gɛmɛp | | | Retsema et al. (2009) | |
| 122462 | Munit | mani | | | Z'graggen (1980) | snake |
| 240594 | Murik (Karau Dialect) | ˈwaukʰün | | | Abbott (1985) | |
| 240691 | Murik (Wagamut Dialect) | ˈwaukʰʊn | | | Abbott (1985) | |
| 235534 | Murik | wakɨn | | | Foley (2005) | |
| 7869 | Murik | wakɨn | | | Foley (1986) | |
| 236204 | Murik | wakɨn | | | Foley (2005) | |
| 122473 | Murupi | wʌnsuru | | | Z'graggen (1980) | snake |
| 192142 | Musak | geo | | | Z'graggen (1980) | snake |
| 141609 | Musar | me:ka | | | Z'graggen (1980) | snake |
| 92041 | Nabak | nombe | snake | | McElhanon (1967) | snake |
| 197820 | Nagatiman | ta:žuʔ | | | Conrad and Dye (1975) | |
| 214005 | Nakai | ʔɑwɔnˈtɔt | | | Hughes (2009) | |
| 199084 | Nakame (Dzenzen Dialect) | qəmɑq | | | Retsema et al. (2009) | |
| 199717 | Nakame (Gufin Dialect) | ge:mep | | | Retsema et al. (2009) | |
| 199599 | Nakame (Munguleng Dialect) | muŋgɑmbɛt | | | Retsema et al. (2009) | |
| 199598 | Nakame (Munguleng Dialect) | gemep | | | Retsema et al. (2009) | |
