| 27512 | Tabo | hirionomo | | | Reesink (1976) | |
| 1585 | Tabo | ahidio nomo | | | Wurm (1973) | |
| 175448 | Sumau | okoba | | | Z'graggen (1980) | all |
| 17334 | Southern Kiwai | imeime | | | Wurm (1973) | |
| 2390 | Southern Kiwai (Tureture Dialect) | imehe | | | Wurm (1973) | |
| 175447 | Sop | kidkid | | | Z'graggen (1980) | all |
| 15784 | Sonia | tɔgamu | | | Shaw (1986) | |
| 90730 | Somba-Siawari (Mindik Dialect) | mooketaŋi | all | | McElhanon (1967) | all |
| 90735 | Somba-Siawari (Burum Dialect) | kpakpak | all | | McElhanon (1967) | all |
| 213860 | Som | ʌb̶ɛt | | | SIL (1968) | |
| 175441 | Siroi | ŋakmba | | | Z'graggen (1980) | all |
| 175433 | Sinsauru | hogono | | | Z'graggen (1980) | all |
| 257515 | Sinaugoro | mabara- | | | Dutton (1970) | all |
| 4862 | Simbari | yu'nakata | | | Lloyd (1973) | |
| 26212 | Silimo | pe𝛿en-soko [peľeŋ-sogo] | | | Bromley (1967) | |
| 190342 | Sileibi | sɨganzɨga | | | Z'graggen (1980) | all |
| 215355 | Sikaritai | awɛdsa | | | Clouse (1997) | |
| 118680 | Sihan | unu | | | Z'graggen (1980) | all |
| 72083 | Siane | múki | | | Scott (1978) | |
| 202740 | Setaman (Seltamin Dialect) | ɑɾikum | | | Van Cott and Spencer (2010) | |
| 202862 | Setaman (Ngisokabip Dialect) | ɑɾikum | | | Van Cott and Spencer (2010) | |
| 202998 | Setaman (Baktamin Dialect) | ɛɾikum | | | Van Cott and Spencer (2010) | |
| 90727 | Selepet | kerek | all | | McElhanon (1967) | all |
| 29806 | Sawi | auwa:t | | | Voorhoeve (1971) | |
| 75751 | Savosavo | dulo | | | Wegener (2011) | |
| 175435 | Sausi | nuːpʰu | | | Z'graggen (1980) | all |
| 118691 | Saruga | ageni | | | Z'graggen (1980) | all |
| 215339 | Saponi | fɔtiɾɛ | | | Clouse (1997) | |
| 1285 | Saniyo-Hiyewe | worɛ | | | Macdonald (1973) | |
| 118688 | Samosa | gageni | | | Z'graggen (1980) | all |
| 5779 | Samo | go̧u̧go̧u̧ | | | Shaw (1973) | |
| 15884 | Samo | gõgõ | | | Shaw (1986) | |
| 4183 | Samberigi | payai | | | Franklin and Voorhoeve (1973) | |
| 175463 | Sam | gurugurib | | | Z'graggen (1980) | all |
| 215380 | Sam (Wongbe Dialect) | kumogo | | | Rueck & Jore (2003) | |
| 215104 | Sam (Songum Dialect) | kumogoʔ | | | Rueck & Jore (2003) | |
| 215230 | Sam (Buan Dialect) | kumogoʔ | | | Rueck & Jore (2003) | |
| 78270 | Sahu | moini | | | Visser & Voorhoeve (1987) | |
| 16924 | Safeyoka | me'wa | | | Lloyd (1973) | |
| 175446 | Saep | dodoŋ | | | Z'graggen (1980) | all |
| 643 | Rumu | apaimene | | | Franklin (1973) | |
| 175455 | Rerau | kilei | | | Z'graggen (1980) | all |
| 215340 | Rasawa | ɔβiye | | | Clouse (1997) | |
| 118686 | Rapting | agen | | | Z'graggen (1980) | all |
| 246193 | Qaget | mʌi | | | SIL (1971) | |
| 845 | Purari | uriria | | | Franklin (1973) | |
| 175443 | Pulabu | kaleɪ | | | Z'graggen (1980) | all |
| 208259 | Proto-West-Eleman | *oalia | | | Ross (2014) | all |
| 97249 | Proto-Maria | *heʔure | | | Ross (2014) | all |
| 209324 | Proto-Mabuso | *ageni | | | Ross (2014) | all |
