| 55344 | Yegha (Ambe-Dofo Dialect) | yii | type of tree | | Smallhorn (2011) | |
| 229395 | Proto-Awyu | *yin | wood, fire | | Healey (1970) | |
| 229060 | Proto-Awyu-Dumut | *yin | wood, fire | | Healey (1970) | |
| 198019 | Yetfa | yo | | | Conrad and Dye (1975) | |
| 33698 | Eipomek | yo | | | Heeschen (1978) | |
| 244176 | Urim | yo: | | | Laycock (1968) | |
| 198020 | Yetfa | yɔ | | | Conrad and Dye (1975) | |
| 179270 | Jilim | yom | | | Z'graggen (1980) | tree |
| 2221 | Wiru | yomo | | | Franklin (1973) | |
| 80850 | Wiru | yomò | | | Franklin (1975) | |
| 74677 | Inoke-Yate | yósa | | | Scott (1978) | |
| 7909 | Chambri | yuwan | | | Foley (1986) | |
| 7763 | Tabriak | yuwan | | | Foley (1986) | |
| 245925 | Tabriak | yuwan | | | SIL (1967) | |
| 245749 | Tabriak | yuwan | | | SIL (1990) | |
| 7812 | Proto-Lower-Sepik | *y(uw)an | | | Foley (1986) | |
| 233899 | Alekano (Wanima Dialect) | za | | | SIL (1975) | |
| 74669 | Alekano | za | | | Scott (1978) | |
| 220998 | Tokano | za | | | SIL (1965) | |
| 234251 | Alekano (Wanima Dialect) | za | | | SIL (1962) | |
| 74671 | Gimi | za | | | Scott (1978) | |
| 74660 | Dano (Asaro Dialect) | zá | | | Scott (1978) | |
| 234430 | Alekano | zaha | | | SIL (1965) | |
| 234790 | Alekano (Notofana Dialect) | zâq | | | SIL (1976) | |
| 234088 | Alekano (Kotuni Dialect) | zave-e | | | SIL (1975) | |
| 221475 | Yagaria (Hira Dialect) | zawa | | | SIL (2000) | |
| 28151 | Orokaiva (Dobuduru Dialect) | zi | | | Wilson (1969) | |
| 28199 | Orokaiva (Jegarata-Kakendetta Dialect) | zi | | | Wilson (1969) | |
| 27844 | Aeka | ziuhu | | | Wilson (1969) | |
| 36196 | Kui | αt'ey | | | Stokhof (1975) | |
