| 156046 | Southern Kiwai (Tureture Dialect) | paha | | | McElhanon and Voorhoeve (1970) | leaf |
| 2477 | Southern Kiwai (Tureture Dialect) | paha | | | Wurm (1973) | |
| 15871 | Sonia | yʌfʌs | | | Shaw (1986) | |
| 156100 | Somba-Siawari (Mindik Dialect) | sin | | | McElhanon and Voorhoeve (1970) | leaf |
| 91346 | Somba-Siawari (Mindik Dialect) | sin- | (its) leaf | | McElhanon (1967) | (its) leaf |
| 91351 | Somba-Siawari (Burum Dialect) | sin- | (its) leaf | | McElhanon (1967) | (its) leaf |
| 156099 | Somba-Siawari (Burum Dialect) | sin | | | McElhanon and Voorhoeve (1970) | leaf |
| 156069 | Som | tʌm | | | McElhanon and Voorhoeve (1970) | leaf |
| 213650 | Som | tamŋi(ɛ) | | | SIL (1968) | |
| 30677 | Skou | ri hà | | | Voorhoeve (1971) | |
| 4949 | Simbari | kɨwɨla | | | Lloyd (1973) | |
| 26257 | Silimo | egela | | | Bromley (1967) | |
| 217369 | Sikaritai | asgad | | | Clouse (1997) | |
| 196482 | Siawi | sɛʔ | | | Conrad and Dye (1975) | |
| 32634 | Siane (Kovena Dialect) | ja viro | | | Salisbury (1956) | |
| 73404 | Siane | ailá | | | Scott (1978) | |
| 32522 | Siane | ya aira | | | Salisbury (1956) | |
| 32145 | Siane | ya abira | | | SIL (1987) | |
| 156094 | Sialum | met | | | McElhanon and Voorhoeve (1970) | leaf |
| 202699 | Setaman (Seltamin Dialect) | kwon | | | Van Cott and Spencer (2010) | |
| 202820 | Setaman (Ngisokabip Dialect) | (eis) kwon | | | Van Cott and Spencer (2010) | |
| 202957 | Setaman (Baktamin Dialect) | kwɔn | | | Van Cott and Spencer (2010) | |
| 228550 | Seta | batəlaiyo | | | SIL (2000) | |
| 156111 | Sene | yotu | | | McElhanon and Voorhoeve (1970) | leaf |
| 156015 | Sempan | ye | | | McElhanon and Voorhoeve (1970) | leaf |
| 91343 | Selepet | esen- | (its) leaf | | McElhanon (1967) | (its) leaf |
| 156104 | Selepet | esen | | | McElhanon and Voorhoeve (1970) | leaf |
| 30036 | Sawi | mo:x | | | Voorhoeve (1971) | |
| 75815 | Savosavo | kiba | | | Wegener (2011) | |
| 217350 | Saponi | uɾaⁱɔɾɛ | | | Clouse (1997) | |
| 224815 | Saniyo-Hiyewe | mʌtowɛ | | | Dye et al (1968) | |
| 1372 | Saniyo-Hiyewe | me towe | | | Macdonald (1973) | |
| 156037 | Samo | dibi | | | McElhanon and Voorhoeve (1970) | leaf |
| 5866 | Samo | dibi | | | Shaw (1973) | |
| 15971 | Samo | dibi | | | Shaw (1986) | |
| 4270 | Samberigi | katake | | | Franklin and Voorhoeve (1973) | |
| 215323 | Sam (Wongbe Dialect) | moi | | | Rueck & Jore (2003) | |
| 215070 | Sam (Songum Dialect) | moi | | | Rueck & Jore (2003) | |
| 215196 | Sam (Buan Dialect) | moi | | | Rueck & Jore (2003) | |
| 17011 | Safeyoka | uranga | | | Lloyd (1973) | |
| 617 | Rumu | i pate | | | Franklin (1973) | |
| 217376 | Rasawa | uɾa | | | Clouse (1997) | |
| 217351 | Rasawa | kuɾu | | | Clouse (1997) | |
| 163865 | Rao | bʌtᵊkli | | | Davies and Comrie (1985) | leaf |
| 228607 | Qaget | mᵊřanaᵘs | | | SIL (1985) | |
| 246110 | Qaget | ʌ ŋərit | | | SIL (1971) | |
| 197893 | Pyu | ʔaŋgiʔ | | | Conrad and Dye (1975) | |
| 932 | Purari | o | | | Franklin (1973) | |
| 184668 | Proto-Trans-New-Guinea | *iti | | | Pawley (2005) | |
| 184725 | Proto-Trans-New-Guinea | *sasak | | | Pawley (2005) | |
