| 80857 | Enga | yáka | | | Franklin (1975) | |
| 77197 | Enga | yáka | | | Lang (1973) | |
| 184711 | Proto-Trans-New-Guinea | *yaka[i] | | | Pawley (2005) | |
| 184875 | Kalam | yakt | | | Pawley (2013) | |
| 177966 | Yangulam | yanem | | | Z'graggen (1980) | bird |
| 207023 | Proto-Trans-New-Guinea | *yanem | | | Ross (2014) | bird |
| 206952 | Proto-Rai-Coast | *yanem | | | Ross (2014) | bird |
| 209660 | Proto-Croisilles | *yanem | | | Ross (2014) | bird |
| 20790 | Yei | yarmaker | | | Voorhoeve (1975) | |
| 227621 | Haruai | yawʌř | | | Tonson (1976) | |
| 195990 | Kobon | yawt | + | | Pawley (2013) | |
| 121725 | Yoidik | ye: | | | Z'graggen (1980) | bird |
| 19337 | Towei | yemu | | | Voorhoeve (1975) | |
| 177951 | Lemio | yen | | | Z'graggen (1980) | bird |
| 177949 | Migum | yen | | | Z'graggen (1980) | bird |
| 177945 | Sausi | yene | | | Z'graggen (1980) | bird |
| 177946 | Kesawai | yene | | | Z'graggen (1980) | bird |
| 191759 | Tauya | yene | | | Z'graggen (1980) | bird |
| 177944 | Asas | yene | | | Z'graggen (1980) | bird |
| 177943 | Sinsauru | yene | | | Z'graggen (1980) | bird |
| 224709 | Kapriman | yerɛpm | | | Dye et al (1968) | |
| 20950 | Wambon | yet | | | Voorhoeve (1975) | |
| 231033 | Wambon | yet | | | Healey (1970) | |
| 201406 | Mandobo Atas (Yonggom Dialect) | yet | | | Voorhoeve (2000) | |
| 229057 | Proto-Awyu-Dumut | *yet | | | Healey (1970) | |
| 201727 | Proto-Dumut | *yet | | | Voorhoeve (2000) | |
| 201821 | Proto-Awyu-Dumut | *yet | | | Voorhoeve (2000) | |
| 229574 | Proto-Dumut | *yet | | | Healey (1970) | |
| 19700 | Tofanma | yetai | | | Voorhoeve (1975) | |
| 16965 | Safeyoka | yɨhuva | | | Lloyd (1973) | |
| 227041 | Wipi (Kuru Dialect) | yi | | | Fleischmann and Turpeinen (1976) | |
| 25574 | Awyu, South (Syiagha Dialect) | yi | | | Voorhoeve (1975) | |
| 227519 | Wipi (Dorogori Dialect) | yi | | | Fleischmann and Turpeinen (1976) | |
| 226486 | Wipi (Abam Dialect) | yi | | | Fleischmann and Turpeinen (1976) | |
| 226391 | Wipi (Peawa Dialect) | yi | | | Fleischmann and Turpeinen (1976) | |
| 230360 | Awyu, South (Syiagha Dialect) | yi | | | Healey (1970) | |
| 25402 | Awyu, Asue | yi | | | Voorhoeve (1975) | |
| 201224 | Awyu, South (Syiagha Dialect) | yi | | | Voorhoeve (2000) | |
| 230598 | Awyu, South (Yenimu Dialect) | yi | | | Healey (1970) | |
| 230124 | Awyu, Asue | yi | | | Healey (1970) | |
| 244262 | Awtuw | yi | | | Laycock (1968) | |
| 201635 | Proto-Awyu | *yi | | | Voorhoeve (2000) | |
| 229392 | Proto-Awyu | *yi | | | Healey (1970) | |
| 226294 | Wipi (Ume Dialect) | yiː | | | Fleischmann and Turpeinen (1976) | |
| 48017 | Yegha (Oukena Dialect) | yi[mei] | bird | | Smallhorn (2011) | |
| 4802 | Menya | yinga | | | Lloyd (1973) | |
| 244261 | Pouye | yio | | | Laycock (1968) | |
| 244271 | Amal | yok | | | Laycock (1968) | |
| 19212 | Manem | yoŋ | | | Voorhoeve (1975) | |
| 19174 | Manem | yor | | | Voorhoeve (1975) | |
