| 237346 | Iatmul | ya | | | Foley (2005) | |
| 244088 | Siliput | ya | | | Laycock (1968) | |
| 244106 | Ambulas | ya | | | Laycock (1968) | |
| 237631 | Abau | ya | | | Foley (2005) | |
| 237344 | Manambu | ya | | | Foley (2005) | |
| 237345 | Proto-Ndu | *ya | | | Foley (2005) | |
| 245466 | Gaikundi | ya: | | | SIL (1991) | |
| 197959 | Yetfa | yaʋ | | | Conrad and Dye (1975) | |
| 21000 | Aghu | yã | | | Voorhoeve (1975) | |
| 244089 | Yahang | yaʔaf | | | Laycock (1968) | |
| 244091 | Heyo | yafa | | | Laycock (1968) | |
| 20557 | Onin | yafi | | | Voorhoeve (1975) | |
| 25018 | Sobei | yafu | | | Voorhoeve (1975) | |
| 123577 | Isebe | yai | | | Z'graggen (1980) | fire |
| 24036 | Ormu | yairare | | | Voorhoeve (1975) | |
| 20115 | Moi | yak | | | Voorhoeve (1975) | |
| 244080 | Sinagen | yakə | | | Laycock (1968) | |
| 244087 | Minidien | yakel | | | Laycock (1968) | |
| 72846 | Fore | yakú' | | | Scott (1978) | |
| 244079 | Dia | yalix | | | Laycock (1968) | |
| 163464 | Alfendio | yam | | | Davies and Comrie (1985) | fire |
| 21715 | Baham | yambur | | | Voorhoeve (1975) | |
| 201166 | Aghu | yan | | | Voorhoeve (2000) | |
| 229875 | Aghu | (yan) | | | Healey (1970) | |
| 221210 | Maiwa | yaŋ'gawa | | | SIL (1973) | |
| 28289 | Zia (Mawai Dialect) | yao | | | Wilson (1969) | |
| 50258 | Zia (Mawai Dialect) | [y]ao | fire | | Smallhorn (2011) | |
| 20035 | Seget | yap | | | Voorhoeve (1975) | |
| 25138 | Tarpia | yap | | | Voorhoeve (1975) | |
| 23879 | Yetfa | yau | | | Voorhoeve (1975) | |
| 19387 | Emem | yau | | | Voorhoeve (1975) | |
| 50278 | Yegha (Korafe Dialect) | ['y]auβo | smoke | | Smallhorn (2011) | |
| 24496 | Tandia | yawya | | | Voorhoeve (1975) | |
| 202349 | Iatmul (Korogo Dialect) | yə | | | Staalsen (1969) | |
| 202486 | Iatmul (Brugnowi Dialect) | yə | | | Staalsen (1969) | |
| 202081 | Iatmul (Tambanam Dialect) | yə | | | Staalsen (1969) | |
| 1317 | Saniyo-Hiyewe | yɛhɛ | | | Macdonald (1973) | |
| 224751 | Saniyo-Hiyewe | yɛhɛ | | | Dye et al (1968) | |
| 34702 | Mpur (Kebar Dialect) | yèt | | | Miedema & Welling (1985) | |
| 197007 | Iteri (Rocky Peak Dialect) | yɛyʋ | | | Conrad and Dye (1975) | |
| 228876 | Unknown (possibly Konomala) | yʌf | | | SIL () | |
| 25412 | Awyu, Asue | yı̃ | | | Voorhoeve (1975) | |
| 28136 | Orokaiva (Dobuduru Dialect) | yia | | | Wilson (1969) | |
| 50265 | Orokaiva (Dobuduru Dialect) | [yi]a | fire | | Smallhorn (2011) | |
| 28324 | Ewage-Notu | yiaƀo | | | Wilson (1969) | |
| 50269 | Yegha (Oukena Dialect) | [yi]awo | fire | | Smallhorn (2011) | |
| 50267 | Ewage-Notu | [yi]aβo | fire | | Smallhorn (2011) | |
| 230599 | Awyu, South (Yenimu Dialect) | yi do | | | Healey (1970) | |
| 253550 | Asmat, Central (Keenok, Manep Dialect) | yimak | | | Voorhoeve (1980) | |
| 244083 | Aruop | yimpu | | | Laycock (1968) | |
