| 27561 | Tabo | wegola | rain | | Reesink (1976) | rain |
| 180360 | Sumau | ʔɛnɛ | | | Z'graggen (1980) | rain |
| 159347 | Suki | goama | | | McElhanon and Voorhoeve (1970) | rain |
| 28452 | Suena | wa | rain | | Wilson (1969) | rain |
| 159426 | Suena | wa | | | McElhanon and Voorhoeve (1970) | rain |
| 30860 | Sowanda | po | rain | | Voorhoeve (1971) | rain |
| 17432 | Southern Kiwai | wiawia | rain | | Wurm (1973) | rain |
| 17359 | Southern Kiwai | moburu | rain | | Wurm (1973) | rain |
| 159348 | Southern Kiwai | wiawia | | | McElhanon and Voorhoeve (1970) | rain |
| 2415 | Southern Kiwai (Tureture Dialect) | wihare | rain | | Wurm (1973) | rain |
| 159350 | Southern Kiwai (Tureture Dialect) | wihare | | | McElhanon and Voorhoeve (1970) | rain |
| 15809 | Sonia | mɔ͂ | rain | | Shaw (1986) | rain |
| 159409 | Somba-Siawari (Mindik Dialect) | kie | | | McElhanon and Voorhoeve (1970) | rain |
| 90856 | Somba-Siawari (Mindik Dialect) | kie | rain | | McElhanon (1967) | rain |
| 90861 | Somba-Siawari (Burum Dialect) | kie | rain | | McElhanon (1967) | rain |
| 159408 | Somba-Siawari (Burum Dialect) | kie | | | McElhanon and Voorhoeve (1970) | rain |
| 213710 | Som | komoḳ | | | SIL (1968) | |
| 159378 | Som | kamok | | | McElhanon and Voorhoeve (1970) | rain |
| 30692 | Skou | ifo | rain | | Voorhoeve (1971) | rain |
| 180354 | Siroi | sawe | | | Z'graggen (1980) | rain |
| 180348 | Sinsauru | sa dipi | | | Z'graggen (1980) | rain |
| 258083 | Sinaugoro | ɣura | | | Dutton (1970) | rain |
| 243873 | Sinagen | won | | | Laycock (1968) | |
| 4887 | Simbari | mbɨruka | rain | | Lloyd (1973) | rain |
| 124373 | Silopi | va | | | Z'graggen (1980) | rain |
| 243881 | Siliput | wus | | | Laycock (1968) | |
| 26913 | Silimo | motu | rain | | Bromley (1967) | rain |
| 193107 | Sileibi | añi mʉŋgri | | | Z'graggen (1980) | rain |
| 216369 | Sikaritai | wa pɾiwa | | | Clouse (1997) | |
| 124356 | Sihan | vanea | | | Z'graggen (1980) | rain |
| 199517 | Siawi | ʔuri | | | Conrad and Dye (1975) | |
| 159403 | Sialum | sakorop | | | McElhanon and Voorhoeve (1970) | rain |
| 243864 | Seti | kun | | | Laycock (1968) | |
| 202689 | Setaman (Seltamin Dialect) | weip | | | Van Cott and Spencer (2010) | |
| 202811 | Setaman (Ngisokabip Dialect) | weip | | | Van Cott and Spencer (2010) | |
| 202947 | Setaman (Baktamin Dialect) | suk | | | Van Cott and Spencer (2010) | |
| 202948 | Setaman (Baktamin Dialect) | weip | | | Van Cott and Spencer (2010) | |
| 243863 | Seta | wu | | | Laycock (1968) | |
| 228541 | Seta | u | | | SIL (2000) | |
| 159419 | Sene | kio | | | McElhanon and Voorhoeve (1970) | rain |
| 159320 | Sempan | te | | | McElhanon and Voorhoeve (1970) | rain |
| 159413 | Selepet | gelok | | | McElhanon and Voorhoeve (1970) | rain |
| 90853 | Selepet | gelâk | rain | | McElhanon (1967) | rain |
| 30054 | Sawi | xaurax | "sky-water" | | Voorhoeve (1971) | rain |
| 180350 | Sausi | ya naubo | | | Z'graggen (1980) | rain |
| 124366 | Saruga | vana | | | Z'graggen (1980) | rain |
| 216350 | Saponi | kɔⁱɛ | | | Clouse (1997) | |
| 1310 | Saniyo-Hiyewe | saʔutowa | rain | | Macdonald (1973) | rain |
| 224799 | Saniyo-Hiyewe | sa'i utie | | | Dye et al (1968) | |
| 124364 | Samosa | vane | | | Z'graggen (1980) | rain |
