| 124832 | Yoidik | inaʔ | | | Z'graggen (1980) | knife |
| 51444 | Yekora | kaiya | small knife | | Smallhorn (2011) | |
| 51449 | Yegha (Korafe Dialect) | 'kaiya | knife (Motu loan) | x | Smallhorn (2011) | |
| 51458 | Yegha (Korafe Dialect) | ka'siβa | very short round wooden fighting club (Mokorua dialect) | | Smallhorn (2011) | |
| 73353 | Yaweyuha | sopolo | | | Scott (1978) | |
| 73352 | Yaweyuha | emita | | | Scott (1978) | |
| 218708 | Yaweyuha | sopoľo | | | SIL (1965) | |
| 143735 | Yarawata | kʌna | | | Z'graggen (1980) | knife |
| 223380 | Yaqay (Wanggate Dialect) | tokʰ | | | Kriens & Lebold (2010) | |
| 223152 | Yaqay (Wairu Dialect) | toˈkɑkʰ | | | Kriens & Lebold (2010) | |
| 222761 | Yaqay (Kotup Dialect) | tokɑkʰ | | | Kriens & Lebold (2010) | |
| 220371 | Yaqay (Kogo Dialect) | toˈkɑkʰ | | | Kriens & Lebold (2010) | |
| 180767 | Yangulam | sare | | | Z'graggen (1980) | knife |
| 231967 | Yagaria (Hira Dialect) | he'ǥita | | | SIL (2000) | |
| 73354 | Yagaria | hagí(ta) | | | Scott (1978) | |
| 180753 | Yabong | daŋga | | | Z'graggen (1980) | knife |
| 180752 | Yabong | su | | | Z'graggen (1980) | knife |
| 143734 | Yaben | uki | | | Z'graggen (1980) | knife |
| 180763 | Waube | kisi | | | Z'graggen (1980) | knife |
| 180746 | Watiwa | ᵱekʰ | | | Z'graggen (1980) | knife |
| 143716 | Waskia | batir | | | Z'graggen (1980) | knife |
| 211844 | Wanggom | ˈwɑːɤi | | | Hughes (2009) | |
| 143729 | Wanambre | ume | | | Z'graggen (1980) | knife |
| 231022 | Wambon | waki | | | Healey (1970) | |
| 201522 | Wambon | wɑxi | | | Voorhoeve (2000) | |
| 214287 | Wambon | ˈwɑɢin | | | Hughes (2009) | |
| 124824 | Wamas | kana | | | Z'graggen (1980) | knife |
| 124843 | Wagi | barin | | | Z'graggen (1980) | knife |
| 200828 | Wagi (Silibob Dialect) | barin | | | Spencer et al. (2011) | |
| 200973 | Wagi (Mis Dialect) | barin | | | Spencer et al. (2011) | |
| 200689 | Wagi (Kauris Dialect) | barin | | | Spencer et al. (2011) | |
| 200550 | Wagi (Kamba Dialect) | barin | | | Spencer et al. (2011) | |
| 201108 | Wagi (Foran Dialect) | barin | | | Spencer et al. (2011) | |
| 193334 | Wadaginam | muwayɨtgarəup | | | Z'graggen (1980) | knife |
| 180762 | Uyajitaya | kɛsɛ | | | Z'graggen (1980) | knife |
| 216063 | Uyajitaya (Uya Dialect) | kɛsɛu | | | Lambrecht et al. (2008) | |
| 216987 | Uyajitaya (Udibai Dialect) | gɛsɛ | | | Rueck & Jore (2003) | |
| 216867 | Uyajitaya (Subalulu Dialect) | gɛsɛ | | | Rueck & Jore (2003) | |
| 216184 | Uyajitaya (Palipa Dialect) | kɛsɛu | | | Rueck & Jore (2003) | |
| 217185 | Uyajitaya (Gisi Dialect) | gɛsɛ | | | Rueck & Jore (2003) | |
| 216304 | Uyajitaya (Didiwala Dialect) | gɛsɛ | | | Rueck & Jore (2003) | |
| 180760 | Uya | banɛn | | | Z'graggen (1980) | knife |
| 124836 | Utu | ina | | | Z'graggen (1980) | knife |
| 124837 | Utu | wambon | | | Z'graggen (1980) | knife |
| 193326 | Utarmbung | gamemuu- | | | Z'graggen (1980) | knife |
| 193327 | Utarmbung | naita | | | Z'graggen (1980) | knife |
| 143733 | Usan | asuri | | | Z'graggen (1980) | knife |
| 180758 | Urigina | mɛbi | | | Z'graggen (1980) | knife |
| 200417 | Uri (Sintogoro Dialect) | tʌtʌʔ | | | Retsema et al. (2009) | |
| 200416 | Uri (Sintogoro Dialect) | pɑep | | | Retsema et al. (2009) | |
