| 28029 | Zimakani (Begua Dialect) | tiovɔ | | | Voorhoeve (1970) | |
| 31053 | Zimakani | tiovɔ | | | Voorhoeve (1970) | |
| 158006 | Yopno (Nokopo Dialect) | kuririʌk | | | McElhanon and Voorhoeve (1970) | straight |
| 158005 | Yopno (Kewieng Dialect) | ʌɬʌkŋʌ | | | McElhanon and Voorhoeve (1970) | straight |
| 125791 | Yoidik | səkʌʔ | | | Z'graggen (1980) | straight |
| 157999 | Yau (Yawan Dialect) | susukɔ | | | McElhanon and Voorhoeve (1970) | straight |
| 157998 | Yau (Worin Dialect) | dɔŋdɔŋɔ | | | McElhanon and Voorhoeve (1970) | straight |
| 158002 | Yau (Sindamon Dialect) | tumbupmɔ | | | McElhanon and Voorhoeve (1970) | straight |
| 158001 | Yau (mup Dialect) | sɔɔʔno | | | McElhanon and Voorhoeve (1970) | straight |
| 158000 | Yau (Mitmit Dialect) | dondoŋɔ | | | McElhanon and Voorhoeve (1970) | straight |
| 157997 | Yau (Kumdauron Dialect) | nɔŋnɔŋɔ | | | McElhanon and Voorhoeve (1970) | straight |
| 144604 | Yarawata | tagantuma | | | Z'graggen (1980) | straight |
| 157986 | Yaqay | meteqor-in | | | McElhanon and Voorhoeve (1970) | straight |
| 181637 | Yabong | wɛdinmʌk | | | Z'graggen (1980) | straight |
| 144603 | Yaben | tutuñɛ | | | Z'graggen (1980) | straight |
| 181647 | Waube | tikini | | | Z'graggen (1980) | straight |
| 181632 | Watiwa | seta a | | | Z'graggen (1980) | straight |
| 144586 | Waskia | diːr̃am | | | Z'graggen (1980) | straight |
| 216575 | Waritai | tutɛ | | | Clouse (1997) | |
| 158009 | Wantoat | dudumnə | | | McElhanon and Voorhoeve (1970) | straight |
| 144599 | Wanambre | bɛtɛwɛt | | | Z'graggen (1980) | straight |
| 157973 | Wambon | yani | | | McElhanon and Voorhoeve (1970) | straight |
| 125784 | Wamas | mua | | | Z'graggen (1980) | straight |
| 125802 | Wagi | mangu | | | Z'graggen (1980) | staright |
| 193851 | Wadaginam | tɨpita- | | | Z'graggen (1980) | straight |
| 157984 | Waboda | karawasemi | | | McElhanon and Voorhoeve (1970) | straight |
| 181646 | Uyajitaya | tikini | | | Z'graggen (1980) | straight |
| 181644 | Uya | tutugu | | | Z'graggen (1980) | straight |
| 125795 | Utu | fɛfɛral | | | Z'graggen (1980) | straight |
| 193847 | Utarmbung | rtɛ- | | | Z'graggen (1980) | straight |
| 144602 | Usan | orogɛn | | | Z'graggen (1980) | straight |
| 181642 | Urigina | sururub | | | Z'graggen (1980) | straight |
| 158012 | Uri | didimɛ | | | McElhanon and Voorhoeve (1970) | straight |
| 144607 | Ukuriguma | tasigum | | | Z'graggen (1980) | straight |
| 157992 | Ufim | umbumaŋ | | | McElhanon and Voorhoeve (1970) | straight |
| 259788 | Uare | duˈduɣa | | | Dutton (1970) | straight |
| 158010 | Tuma-Irumu (Irumu Dialect) | siwɔŋi | | | McElhanon and Voorhoeve (1970) | straight |
| 158031 | Tobo | dindiŋa | | | McElhanon and Voorhoeve (1970) | straight |
| 158033 | Timbe | tɔŋ | | | McElhanon and Voorhoeve (1970) | straight |
| 157976 | Tifal | tool-kub | | | McElhanon and Voorhoeve (1970) | straight |
| 157977 | Telefol | tool-kub | | | McElhanon and Voorhoeve (1970) | straight |
| 193859 | Tauya | tiʔepia | | | Z'graggen (1980) | straight |
| 216568 | Tause (Deirate Dialect) | kwidaka | | | Clouse (1997) | |
| 216569 | Tause | ɸɛtide | | | Clouse (1997) | |
| 181641 | Sumau | tuku | | | Z'graggen (1980) | straight |
| 157983 | Southern Kiwai | kawitato | | | McElhanon and Voorhoeve (1970) | straight |
| 181640 | Sop | sulul | | | Z'graggen (1980) | straight |
| 158030 | Somba-Siawari (Mindik Dialect) | dindiŋi | | | McElhanon and Voorhoeve (1970) | straight |
| 158029 | Somba-Siawari (Burum Dialect) | dindiŋi | | | McElhanon and Voorhoeve (1970) | straight |
| 158004 | Som | tʌrʌrʌ | | | McElhanon and Voorhoeve (1970) | straight |
