| 160366 | Somba-Siawari (Mindik Dialect) | biri | | | McElhanon and Voorhoeve (1970) | arm |
| 160365 | Somba-Siawari (Burum Dialect) | bʌrʌ | | | McElhanon and Voorhoeve (1970) | arm |
| 160334 | Som | karaŋa | | | McElhanon and Voorhoeve (1970) | arm |
| 23747 | Skou | no | arm | | Voorhoeve (1975) | arm |
| 177014 | Siroi | wai | | | Z'graggen (1980) | arm |
| 177007 | Sinsauru | wabi | | | Z'graggen (1980) | arm |
| 257701 | Sinaugoro | ɣima- | | | Dutton (1970) | arm |
| 243463 | Sinagen | rakita | | | Laycock (1968) | |
| 4872 | Simbari | aata | arm | | Lloyd (1973) | arm |
| 120710 | Silopi | dɛwu- | | | Z'graggen (1980) | arm |
| 243471 | Siliput | laŋ | | | Laycock (1968) | |
| 22469 | Silimo (South Ngalik Dialect) | nedabit | arm | | Voorhoeve (1975) | arm |
| 191217 | Sileibi | kuma | | | Z'graggen (1980) | arm |
| 24884 | Sikaritai | rawi | arm | | Voorhoeve (1975) | arm |
| 120690 | Sihan | ebe- | | | Z'graggen (1980) | arm |
| 160360 | Sialum | met | | | McElhanon and Voorhoeve (1970) | arm |
| 243454 | Seti | mpen | | | Laycock (1968) | |
| 243453 | Seta | meu | | | Laycock (1968) | |
| 25488 | Serui-Laut | waraŋ | arm | | Voorhoeve (1975) | arm |
| 26132 | Sentani | mə | arm | | Voorhoeve (1975) | arm |
| 160376 | Sene | me | | | McElhanon and Voorhoeve (1970) | arm |
| 21302 | Sempan | mafane | arm | | Voorhoeve (1975) | arm |
| 160265 | Sempan | mafane | | | McElhanon and Voorhoeve (1970) | arm |
| 21582 | Semimi | eva-kanda | arm | | Voorhoeve (1975) | arm |
| 160370 | Selepet | bɔt | | | McElhanon and Voorhoeve (1970) | arm |
| 20023 | Seget | neren | arm | | Voorhoeve (1975) | arm |
| 21068 | Sawi | iit | arm | | Voorhoeve (1975) | arm |
| 177009 | Sausi | wapi | | | Z'graggen (1980) | arm |
| 120700 | Saruga | avi- | | | Z'graggen (1980) | arm |
| 120701 | Saruga | avu- | | | Z'graggen (1980) | arm |
| 1295 | Saniyo-Hiyewe | ɛřɛti | arm | | Macdonald (1973) | arm |
| 120698 | Samosa | ave- | | | Z'graggen (1980) | arm |
| 5789 | Samo | debe | arm | | Shaw (1973) | arm |
| 160300 | Samo | debe | | | McElhanon and Voorhoeve (1970) | arm |
| 15894 | Samo | dɛbɛ | arm | | Shaw (1986) | arm |
| 4193 | Samberigi | kiki | arm | | Franklin and Voorhoeve (1973) | arm |
| 177034 | Sam | bʌr̃ | | | Z'graggen (1980) | arm |
| 16934 | Safeyoka | aaha | arm | | Lloyd (1973) | arm |
| 177019 | Saep | wam | | | Z'graggen (1980) | arm |
| 626 | Rumu | he riki | arm | | Franklin (1973) | arm |
| 20063 | Riantana | ta:vat | arm | | Voorhoeve (1975) | arm |
| 177028 | Rerau | kambiŋ | | | Z'graggen (1980) | arm |
| 120708 | Rempi | ave- | | | Z'graggen (1980) | arm |
| 160330 | Rawa | kande | | | McElhanon and Voorhoeve (1970) | arm |
| 120696 | Rapting | awe- | | | Z'graggen (1980) | arm |
| 23827 | Pyu | kabyi | arm | | Voorhoeve (1975) | arm |
| 855 | Purari | eve | arm | | Franklin (1973) | arm |
| 22063 | Puragi | gairi | arm | | Voorhoeve (1975) | arm |
| 177016 | Pulabu | yobu | | | Z'graggen (1980) | arm |
| 184642 | Proto-Trans-New-Guinea | *mbena | | | Pawley (2005) | |
