| 207500 | Proto-Madang | *ima | | | Ross (2014) | sibling, same sex younger |
| 208586 | Proto-North-Adelbert | *ima | | | Ross (2014) | yngr sss |
| 207464 | Proto-North-Adelbert | *imaŋ | | | Ross (2014) | yngr sss |
| 209646 | Proto-North-Adelbert | *imaŋg | | | Ross (2014) | younger s.s. sibling |
| 207066 | Proto-North-Adelbert | *yamun | | | Ross (2014) | younger s.s. sibling |
| 209650 | Proto-Numugen | *umiak | | | Ross (2014) | younger s.s. sibling |
| 212780 | Proto-South-Adelbert | *-am | | | Ross (2014) | |
| 175849 | Pulabu | wasi miŋgi | | | Z'graggen (1980) | young-same-sex-sibling |
| 119313 | Rapting | ama- | | | Z'graggen (1980) | sibling ss - |
| 119323 | Rempi | ama- | | | Z'graggen (1980) | sibling ss - |
| 119324 | Rempi | mʌmʌ | | | Z'graggen (1980) | sibling ss - |
| 175863 | Rerau | amuŋ kunɛŋgo | | | Z'graggen (1980) | young-same-sex-sibling |
| 175852 | Saep | wab- | | | Z'graggen (1980) | young-same-sex-sibling |
| 175870 | Sam | au kanʌŋgi | | | Z'graggen (1980) | young-same-sex-sibling |
| 119315 | Samosa | komune- | | | Z'graggen (1980) | sibling ss - |
| 119317 | Saruga | ana(na)- | | | Z'graggen (1980) | sibling ss - |
| 175843 | Sausi | non- | | | Z'graggen (1980) | young-same-sex-sibling |
| 119306 | Sihan | make- | | | Z'graggen (1980) | sibling ss - |
| 190525 | Sileibi | isɨga | | | Z'graggen (1980) | (ss sibling younger) |
| 190526 | Sileibi | ñandə | | | Z'graggen (1980) | (ss sibling younger) |
| 119327 | Silopi | omu- | | | Z'graggen (1980) | sibling ss - |
| 257412 | Sinaugoro | tari- | | | Dutton (1970) | "sibling, s.sex, younger" |
| 175841 | Sinsauru | nonu | | | Z'graggen (1980) | young-same-sex-sibling |
| 175847 | Siroi | ᵱidɛŋ | | | Z'graggen (1980) | young-same-sex-sibling |
| 175853 | Sop | maᵬu- | | | Z'graggen (1980) | young-same-sex-sibling |
| 175854 | Sumau | amia- siki | | | Z'graggen (1980) | young-same-sex-sibling |
| 190544 | Tauya | ano | | | Z'graggen (1980) | (ss sibling younger) |
| 257404 | Uare | ˈeʒe | | | Dutton (1970) | "sibling, s.sex, younger" |
| 138905 | Ukuriguma | umiok | | | Z'graggen (1980) | younger s.s. sibling |
| 138904 | Ukuriguma | emakina | | | Z'graggen (1980) | younger s.s. sibling |
| 175856 | Urigina | nonumu | | | Z'graggen (1980) | young-same-sex-sibling |
| 175855 | Urigina | noni- | | | Z'graggen (1980) | young-same-sex-sibling |
| 138894 | Usan | i:mʌ | | | Z'graggen (1980) | younger s.s. sibling |
| 190528 | Utarmbung | -raka | | | Z'graggen (1980) | (ss sibling younger) |
| 190529 | Utarmbung | mansika | | | Z'graggen (1980) | (ss sibling younger) |
| 119328 | Utu | omu- | | | Z'graggen (1980) | sibling ss - |
| 175859 | Uya | mɛbɛ- | | | Z'graggen (1980) | young-same-sex-sibling |
| 175858 | Uya | mobay | | | Z'graggen (1980) | young-same-sex-sibling |
| 175861 | Uyajitaya | bʌbo gedei | | | Z'graggen (1980) | young-same-sex-sibling |
| 190533 | Wadaginam | raray | | | Z'graggen (1980) | (ss sibling younger) |
| 190534 | Wadaginam | -ratsiŋgamp | | | Z'graggen (1980) | (ss sibling younger) |
| 119335 | Wagi | kama- | | | Z'graggen (1980) | sibling ss - |
| 119314 | Wamas | kamun- | | | Z'graggen (1980) | sibling ss - |
| 138890 | Wanambre | -meka | | | Z'graggen (1980) | younger s.s. sibling |
| 138877 | Waskia | udia | | | Z'graggen (1980) | younger s.s. sibling |
| 175845 | Watiwa | nim | | | Z'graggen (1980) | young-same-sex-sibling |
| 175862 | Waube | awa ilumu | | | Z'graggen (1980) | young-same-sex-sibling |
| 138895 | Yaben | imaʔa | | | Z'graggen (1980) | younger s.s. sibling |
| 138896 | Yaben | umoʔoda | | | Z'graggen (1980) | younger s.s. sibling |
| 175850 | Yabong | bʌba- ginub | | | Z'graggen (1980) | young-same-sex-sibling |
