| 22185 | Yahadian | a | | | Voorhoeve (1975) | |
| 244255 | Yahang | felfis | | | Laycock (1968) | |
| 19865 | Yale, Korsarek | winaŋ | | | Voorhoeve (1975) | |
| 33864 | Yale, Korsarek | winang | | | Heeschen (1978) | |
| 24222 | Yali, Angguruk | suwe | | | Bromley (1967) | |
| 19825 | Yali, Pass Valley | winaŋ | | | Voorhoeve (1975) | |
| 261194 | Yamben | akiem | | | Pick (2019) | bird |
| 177966 | Yangulam | yanem | | | Z'graggen (1980) | bird |
| 244250 | Yangum Mon | al | | | Laycock (1968) | |
| 29098 | Yaqay | petakaw | | | Voorhoeve (1971) | |
| 23000 | Yaqay | petaqaw | | | Voorhoeve (1975) | |
| 220240 | Yaqay (Kogo Dialect) | jɑŋˈgo | | | Kriens & Lebold (2010) | |
| 222671 | Yaqay (Kotup Dialect) | peˈtɑɣɑg | | | Kriens & Lebold (2010) | |
| 222954 | Yaqay (Rayam Dialect) | jɑŋgo | | | Kriens & Lebold (2010) | |
| 223072 | Yaqay (Wairu Dialect) | petɑˈɣɑgwʰ | | | Kriens & Lebold (2010) | |
| 223302 | Yaqay (Wanggate Dialect) | peta gɑxu̥ | | | Kriens & Lebold (2010) | |
| 140960 | Yarawata | ibʌla | | | Z'graggen (1980) | (bird) |
| 244240 | Yau | yafren | | | Laycock (1968) | |
| 20467 | Yawa | insane | | | Voorhoeve (1975) | |
| 220883 | Yaweyuha | na'ma | | | SIL (1965) | |
| 72272 | Yaweyuha | namá | | | Scott (1978) | |
| 196704 | Yawiyo (Wosawari Dialect) | auma | | | Conrad and Dye (1975) | |
| 48016 | Yegha (Ambe-Dofo Dialect) | niƒ (sic) | generic term for bird | | Smallhorn (2011) | |
| 48038 | Yegha (Korafe Dialect) | li[oka] | bird | | Smallhorn (2011) | |
| 48040 | Yegha (Korafe Dialect) | ri[ka] | bird (generic term) | | Smallhorn (2011) | |
| 48017 | Yegha (Oukena Dialect) | yi[mei] | bird | | Smallhorn (2011) | |
| 48018 | Yegha (Yega Dialect) | li | bird | | Smallhorn (2011) | |
| 20790 | Yei | yarmaker | | | Voorhoeve (1975) | |
| 28468 | Yekora | ndi | | | Wilson (1969) | |
| 47983 | Yekora | ndi | bird | | Smallhorn (2011) | |
| 157438 | Yekora | ndi | | | McElhanon and Voorhoeve (1970) | bird |
| 26014 | Yelmek | tötöli | | | Voorhoeve (1975) | |
| 244267 | Yessan-Mayo (Warasai Dialect) | apu | | | Laycock (1968) | |
| 244266 | Yessan-Mayo | ap | | | Laycock (1968) | |
| 23869 | Yetfa | rawi | | | Voorhoeve (1975) | |
| 244243 | Yil | afər | | | Laycock (1968) | |
| 163273 | Yimas | bebʌľɛdowi | | | Davies and Comrie (1985) | bird |
| 244241 | Yis | yafren | | | Laycock (1968) | |
| 121725 | Yoidik | ye: | | | Z'graggen (1980) | bird |
| 25362 | Yongkom | õn | | | Voorhoeve (1975) | |
| 47986 | Zia | ni | bird | | Smallhorn (2011) | |
| 47984 | Zia | ndi | bird | | Smallhorn (2011) | |
| 157436 | Zia | ndi | | | McElhanon and Voorhoeve (1970) | bird |
| 27858 | Zia | ndi | | | Wilson (1969) | |
| 28283 | Zia (Mawai Dialect) | ni | | | Wilson (1969) | |
| 47988 | Zia (Mawai Dialect) | ni | bird | | Smallhorn (2011) | |
| 157437 | Zia (Mawai Dialect) | ni | | | McElhanon and Voorhoeve (1970) | bird |
| 257193 | Zimakani | fiafi | | | Murray and Ray (1918) | |
| 31204 | Zimakani | i̯ɔvɔi̯ɔvɔ | | | Voorhoeve (1970) | |
| 27716 | Zimakani (Begua Dialect) | kɔu̯agiɛmu | singular | | Voorhoeve (1970) | |
