| 29054 | Zorop | tur | | | Voorhoeve (1971) | |
| 30018 | Zimakani (South Boazi Dialect) | ḳɑi̯fa | | | Voorhoeve (1970) | |
| 28022 | Zimakani (Begua Dialect) | ḳɑi̯fa | | | Voorhoeve (1970) | |
| 31092 | Zimakani | ḳěi̯fa | | | Voorhoeve (1970) | |
| 54184 | Zia (Mawai Dialect) | boisa | smoke | | Smallhorn (2011) | |
| 28290 | Zia (Mawai Dialect) | boisa | | | Wilson (1969) | |
| 27865 | Zia | boisa | | | Wilson (1969) | |
| 54191 | Zia | sĩ | smoke | | Smallhorn (2011) | |
| 54182 | Zia | boisa | smoke | | Smallhorn (2011) | |
| 54183 | Zia | boĩsa | smoke | | Smallhorn (2011) | |
| 156576 | Yopno (Nokopo Dialect) | gʌŋ | | | McElhanon and Voorhoeve (1970) | smoke |
| 156575 | Yopno (Kewieng Dialect) | mukma | | | McElhanon and Voorhoeve (1970) | smoke |
| 123696 | Yoidik | musi | | | Z'graggen (1980) | smoke |
| 244117 | Yis | tumut | | | Laycock (1968) | |
| 163509 | Yimas | yɩgɩn | | | Davies and Comrie (1985) | smoke |
| 244119 | Yil | suwok | | | Laycock (1968) | |
| 198008 | Yetfa | yagos | | | Conrad and Dye (1975) | |
| 244142 | Yessan-Mayo | yar | | | Laycock (1968) | |
| 54189 | Yekora | imboi | smoke | | Smallhorn (2011) | |
| 28475 | Yekora | imboi | | | Wilson (1969) | |
| 54190 | Yekora | omboi | smoke | | Smallhorn (2011) | |
| 54204 | Yegha (Oukena Dialect) | umbosi | smoke | | Smallhorn (2011) | |
| 54211 | Yegha (Korafe Dialect) | imbosi | smoke | | Smallhorn (2011) | |
| 54212 | Yegha (Korafe Dialect) | ĩ'bosi | smoke, name avoidance word for tobacco | | Smallhorn (2011) | |
| 196768 | Yawiyo (Wosawari Dialect) | tiyam | | | Conrad and Dye (1975) | |
| 196769 | Yawiyo (Wosawari Dialect) | nise | | | Conrad and Dye (1975) | |
| 220965 | Yaweyuha | dzo'kil'a | | | SIL (1965) | |
| 74285 | Yaweyuha | (jo)kila | | | Scott (1978) | |
| 156566 | Yau (Yawan Dialect) | bɔrɔk | | | McElhanon and Voorhoeve (1970) | smoke |
| 156565 | Yau (Worin Dialect) | bɔrɔʔ | | | McElhanon and Voorhoeve (1970) | smoke |
| 156569 | Yau (Sindamon Dialect) | boruʔ | | | McElhanon and Voorhoeve (1970) | smoke |
| 156568 | Yau (mup Dialect) | bouʔ | | | McElhanon and Voorhoeve (1970) | smoke |
| 156567 | Yau (Mitmit Dialect) | barɔk | | | McElhanon and Voorhoeve (1970) | smoke |
| 156564 | Yau (Kumdauron Dialect) | bɔrɔʔ | | | McElhanon and Voorhoeve (1970) | smoke |
| 244116 | Yau | tumur | | | Laycock (1968) | |
| 142748 | Yarawata | ikʌpa | | | Z'graggen (1980) | (smoke) |
| 223365 | Yaqay (Wanggate Dialect) | ˈɑkuʔ | | | Kriens & Lebold (2010) | |
| 223135 | Yaqay (Wairu Dialect) | ɑˈkuʔ | | | Kriens & Lebold (2010) | |
| 222744 | Yaqay (Kotup Dialect) | ˈɑku | | | Kriens & Lebold (2010) | |
| 220332 | Yaqay (Kogo Dialect) | ɑˈkuʔ | | | Kriens & Lebold (2010) | |
| 156551 | Yaqay | aku | | | McElhanon and Voorhoeve (1970) | smoke |
| 29162 | Yaqay | aku | | | Voorhoeve (1971) | |
| 244126 | Yangum Mon | nuwan | | | Laycock (1968) | |
| 179767 | Yangulam | mboʔom | | | Z'graggen (1980) | smoke |
| 26986 | Yali, Angguruk | kʋpʋ | | | Bromley (1967) | |
| 33940 | Yale, Korsarek | mɔhɔng | | | Heeschen (1978) | |
| 244131 | Yahang | poroŋkot | | | Laycock (1968) | |
| 1518 | Yagwoia | hina tɨsa | | | Lloyd (1973) | |
| 231923 | Yagaria (Hira Dialect) | hᵊḷita | hᵊgita | | SIL (2000) | |
| 221466 | Yagaria (Hira Dialect) | hᵊḷita | | | SIL (2000) | |
