| 207591 | Proto-Kumil | *ifa | | | Ross (2014) | snake |
| 96421 | Proto-Kwalean | *yarama | | | Ross (2014) | snake |
| 235535 | Proto-Lower-Sepik | *wakɨn | | | Foley (2005) | |
| 7819 | Proto-Lower-Sepik | *wakɨn | | | Foley (1986) | |
| 236205 | Proto-Lower-Sepik | *wakɨn | | | Foley (2005) | |
| 207242 | Proto-Mabuso | *magay | | | Ross (2014) | snake |
| 207919 | Proto-Mabuso | *mat | | | Ross (2014) | snake |
| 207993 | Proto-Mabuso | *mani | | | Ross (2014) | snake |
| 208335 | Proto-Madang | *mwat | Proto-Oceanic Loan | x | Ross (2014) | snake |
| 209027 | Proto-Manubaran | *aruma | | | Ross (2014) | snake |
| 207638 | Proto-Maria | *aruma | | | Ross (2014) | snake |
| 237453 | Proto-Ndu | *kampwəy | | | Foley (2005) | |
| 207110 | Proto-North-Adelbert | *duaŋg | | | Ross (2014) | snake |
| 206695 | Proto-North-Adelbert | *duaŋg | | | Ross (2014) | snake |
| 211531 | Proto-Oceanic | *mwata | | | Blust (1993) | |
| 197705 | Proto-Ok-Oksapmin | *inap | | | Loughnane and Fedden (2011) | |
| 83455 | Proto-Sogeram | *takʷɨ | | | Daniels (2010) | |
| 212551 | Proto-South-Adelbert | *wanzirʉ | | | Ross (2014) | |
| 237175 | Proto-Watam-Awar-Gamay | *ndop | | | Foley (2005) | |
| 83456 | Proto-Western-Sogeram | *akʷɨ | | | Daniels (2010) | |
| 178628 | Pulabu | ñala | | | Z'graggen (1980) | snake |
| 197928 | Pyu | sɩhmiæʔ | | | Conrad and Dye (1975) | |
| 228635 | Qaget | ǥəm | | | SIL (1985) | |
| 246153 | Qaget | ɛɛlug̶ʌ | | | SIL (1971) | |
| 122470 | Rapting | magay | | | Z'graggen (1980) | snake |
| 218953 | Rasawa | pe | | | Clouse (1997) | |
| 122479 | Rempi | makay | | | Z'graggen (1980) | snake |
| 178640 | Rerau | mañɛŋ | | | Z'graggen (1980) | snake |
| 178631 | Saep | sawʌːna | | | Z'graggen (1980) | snake |
| 78373 | Sahu | ngia | | | Visser & Voorhoeve (1987) | |
| 215157 | Sam (Buan Dialect) | ɲɛla | | | Rueck & Jore (2003) | |
| 215032 | Sam (Songum Dialect) | bogi | | | Rueck & Jore (2003) | |
| 215283 | Sam (Wongbe Dialect) | bogi | | | Rueck & Jore (2003) | |
| 178647 | Sam | mal | | | Z'graggen (1980) | snake |
| 178646 | Sam | bogi | | | Z'graggen (1980) | snake |
| 122472 | Samosa | su | | | Z'graggen (1980) | snake |
| 224969 | Saniyo-Hiyewe | haru | | | Dye et al (1968) | |
| 218952 | Saponi | pɛɾɛ | | | Clouse (1997) | |
| 122474 | Saruga | suːru | | | Z'graggen (1980) | snake |
| 178620 | Sausi | neirɛ | | | Z'graggen (1980) | snake |
| 75740 | Savosavo | pepei | | | Wegener (2011) | |
| 30091 | Sawi | xaud | | | Voorhoeve (1971) | |
| 92029 | Selepet | habe | snake | | McElhanon (1967) | snake |
| 202915 | Setaman (Baktamin Dialect) | fem kwɔn | | | Van Cott and Spencer (2010) | |
| 202800 | Setaman (Ngisokabip Dialect) | feim kʰon | | | Van Cott and Spencer (2010) | |
| 202656 | Setaman (Seltamin Dialect) | feim kʰon | | | Van Cott and Spencer (2010) | |
| 74300 | Siane | koiyófá | | | Scott (1978) | |
| 32173 | Siane | hoiyoha | | | SIL (1987) | |
| 199527 | Siawi | wiyɛmi | | | Conrad and Dye (1975) | |
| 122464 | Sihan | ma:ni | | | Z'graggen (1980) | snake |
