| 158496 | Yau (Mitmit Dialect) | yamuʔ | | | McElhanon and Voorhoeve (1970) | water |
| 158493 | Yau (Kumdauron Dialect) | yamo | | | McElhanon and Voorhoeve (1970) | water |
| 243908 | Yau | təpal | | | Laycock (1968) | |
| 143310 | Yarawata | yʌ:ga | | | Z'graggen (1980) | (water) |
| 223351 | Yaqay (Wanggate Dialect) | mei̯ˈhi̯ɪ | | | Kriens & Lebold (2010) | |
| 223123 | Yaqay (Wairu Dialect) | mid͡ʒ | | | Kriens & Lebold (2010) | |
| 222731 | Yaqay (Kotup Dialect) | mit͡s | | | Kriens & Lebold (2010) | |
| 220317 | Yaqay (Kogo Dialect) | mi | | | Kriens & Lebold (2010) | |
| 23034 | Yaqay | mi | | | Voorhoeve (1975) | |
| 158480 | Yaqay | mi | | | McElhanon and Voorhoeve (1970) | water |
| 29175 | Yaqay | mi | | | Voorhoeve (1971) | |
| 243918 | Yangum Mon | sulp | | | Laycock (1968) | |
| 180343 | Yangulam | yi | | | Z'graggen (1980) | water |
| 261251 | Yamben | yem | | | Pick (2019) | water |
| 19859 | Yali, Pass Valley | tin | | | Voorhoeve (1975) | |
| 27002 | Yali, Angguruk | ik | | | Bromley (1967) | |
| 19899 | Yale, Korsarek | mak | | | Voorhoeve (1975) | |
| 33952 | Yale, Korsarek | mak | water, river | | Heeschen (1978) | |
| 243923 | Yahang | himpel | | | Laycock (1968) | |
| 22219 | Yahadian | hede | | | Voorhoeve (1975) | |
| 1512 | Yagwoia | aalyɨ | | | Lloyd (1973) | |
| 79217 | Yagaria (Hua Dialect) | mniN | | | Xiao (1990) | |
| 231931 | Yagaria (Hira Dialect) | ni | | | SIL (2000) | |
| 74763 | Yagaria | ní(na) | | | Scott (1978) | |
| 180329 | Yabong | yag | | | Z'graggen (1980) | water |
| 143309 | Yaben | yʌ:gu | | | Z'graggen (1980) | (water) |
| 261252 | Yaben | yagu | | | Pick (2019) | water |
| 23823 | Wutung | tya | | | Voorhoeve (1975) | |
| 7273 | Wolani (Upper Mbijandoga Dialect) | uwo | | | Larson & Larson (1972) | |
| 25316 | Wolani | uwo | | | Voorhoeve (1975) | |
| 24720 | Woi | maria | | | Voorhoeve (1975) | |
| 243938 | Wogamusin | yək | | | Laycock (1968) | |
| 237612 | Wogamusin | yɨk | | | Foley (2005) | |
| 80772 | Wiru | uè | | | Franklin (1975) | |
| 2212 | Wiru | ue | | | Franklin (1973) | |
| 227324 | Wipi (Zim Dialect) | ni | | | Fleischmann and Turpeinen (1976) | |
| 226833 | Wipi (Yuta Dialect) | niya | | | Fleischmann and Turpeinen (1976) | |
| 227415 | Wipi (Wonie Dialect) | ni | | | Fleischmann and Turpeinen (1976) | |
| 226675 | Wipi (Wipim Dialect) | nyə | | | Fleischmann and Turpeinen (1976) | |
| 226379 | Wipi (Ume Dialect) | ni | | | Fleischmann and Turpeinen (1976) | |
| 227508 | Wipi (Podari Dialect) | nɨə | | | Fleischmann and Turpeinen (1976) | |
| 226474 | Wipi (Peawa Dialect) | ni | | | Fleischmann and Turpeinen (1976) | |
| 227133 | Wipi (Kuru Dialect) | ni | | | Fleischmann and Turpeinen (1976) | |
| 227029 | Wipi (Kapal Dialect) | ñə | | | Fleischmann and Turpeinen (1976) | |
| 227230 | Wipi (Iamega Dialect) | nyə | | | Fleischmann and Turpeinen (1976) | |
| 226760 | Wipi (Guiam Dialect) | ŋi | | | Fleischmann and Turpeinen (1976) | |
| 226930 | Wipi (Gamaewe Dialect) | ni | | | Fleischmann and Turpeinen (1976) | |
| 227602 | Wipi (Dorogori Dialect) | ni | | | Fleischmann and Turpeinen (1976) | |
| 226569 | Wipi (Abam Dialect) | ni | | | Fleischmann and Turpeinen (1976) | |
| 78097 | West Makian | be | | | Voorhoeve (1982) | |
