| 27780 | Zimakani (Begua Dialect) | zinimu | | | Voorhoeve (1970) | |
| 31152 | Zimakani | zinimu | | | Voorhoeve (1970) | |
| 51068 | Zia | mou | heavy | | Smallhorn (2011) | |
| 125507 | Yoidik | uhuʔ | | | Z'graggen (1980) | heavy |
| 165009 | Yimas | tʌŋgɛdʌkʰi | | | Davies and Comrie (1985) | heavy |
| 51067 | Yekora | mbou | heavy | | Smallhorn (2011) | |
| 51066 | Yekora | mou | heavy | | Smallhorn (2011) | |
| 51079 | Yegha (Yega Dialect) | bo[ga] | heavy | | Smallhorn (2011) | |
| 51078 | Yegha (Oukena Dialect) | bou[ga] | heavy | | Smallhorn (2011) | |
| 51093 | Yegha (Korafe Dialect) | 'bouβu | heavy | | Smallhorn (2011) | |
| 73212 | Yaweyuha | eda | | | Scott (1978) | |
| 220946 | Yaweyuha | e'da | | | SIL (1965) | |
| 144340 | Yarawata | binata | | | Z'graggen (1980) | heavy |
| 29131 | Yaqay | jendakaw | | | Voorhoeve (1971) | |
| 221450 | Yagaria (Hira Dialect) | kᵊta | | | SIL (2000) | |
| 231907 | Yagaria (Hira Dialect) | kᵊta | | | SIL (2000) | |
| 73213 | Yagaria | gatá (nosie) | | | Scott (1978) | |
| 181392 | Yabong | tʰʌwɔt | | | Z'graggen (1980) | heavy |
| 144339 | Yaben | pinatu | | | Z'graggen (1980) | heavy |
| 81107 | Wiru | kedá toko | | | Franklin (1975) | |
| 81099 | West Kewa | kedaa (pea) | | | Franklin (1975) | |
| 181403 | Waube | uːpʌ | | | Z'graggen (1980) | heavy |
| 181388 | Watiwa | ifitow | | | Z'graggen (1980) | heavy |
| 144323 | Waskia | i:kup | | | Z'graggen (1980) | heavy |
| 28553 | Warkay-Bipim | unəhu | | | Voorhoeve (1971) | |
| 214578 | Waritai | dɛɸɛi^ | | | Clouse (1997) | |
| 30940 | Waris | ken | | | Voorhoeve (1971) | |
| 144335 | Wanambre | pinʌn | | | Z'graggen (1980) | heavy |
| 230899 | Wambon | kakun | | | Healey (1970) | |
| 125500 | Wamas | kuʔa | | | Z'graggen (1980) | heavy |
| 200635 | Wagi | kugolɛh | | | Spencer et al. (2011) | |
| 125517 | Wagi | kug | | | Z'graggen (1980) | heavy |
| 200773 | Wagi (Silibob Dialect) | kugalɛh | | | Spencer et al. (2011) | |
| 200915 | Wagi (Mis Dialect) | kug | | | Spencer et al. (2011) | |
| 200492 | Wagi (Kamba Dialect) | kugolɛh | | | Spencer et al. (2011) | |
| 201053 | Wagi (Foran Dialect) | kugolɛh | | | Spencer et al. (2011) | |
| 193702 | Wadaginam | mɨtɨg- | (v) | | Z'graggen (1980) | heavy |
| 181402 | Uyajitaya | uᵱu | | | Z'graggen (1980) | heavy |
| 216015 | Uyajitaya (Uya Dialect) | uɸu | | | Lambrecht et al. (2008) | |
| 216938 | Uyajitaya (Udibai Dialect) | uɸu | | | Rueck & Jore (2003) | |
| 216818 | Uyajitaya (Subalulu Dialect) | uɸu | | | Rueck & Jore (2003) | |
| 216135 | Uyajitaya (Palipa Dialect) | uɸu | | | Rueck & Jore (2003) | |
| 217109 | Uyajitaya (Gisi Dialect) | uɸu | | | Rueck & Jore (2003) | |
| 216255 | Uyajitaya (Didiwala Dialect) | uɸu | | | Rueck & Jore (2003) | |
| 181400 | Uya | ibʌn | | | Z'graggen (1980) | heavy |
| 125511 | Utu | una | | | Z'graggen (1980) | heavy |
| 193698 | Utarmbung | mutopuka | | | Z'graggen (1980) | heavy |
| 144338 | Usan | uguraw | | | Z'graggen (1980) | heavy |
| 181398 | Urigina | gundugamboi | | | Z'graggen (1980) | heavy |
| 228801 | Ura | mʌřən | | | SIL (1971) | |
