| 29027 | Zorop | bai | | | Voorhoeve (1971) | |
| 29958 | Zimakani (South Boazi Dialect) | ěsɑḳɔ | | | Voorhoeve (1970) | |
| 27793 | Zimakani (Begua Dialect) | ěsɔḳɔ | | | Voorhoeve (1970) | |
| 31115 | Zimakani | ěsɔḳɔ | | | Voorhoeve (1970) | |
| 28306 | Zia (Mawai Dialect) | gi | | | Wilson (1969) | |
| 51492 | Zia (Mawai Dialect) | gi | leaf | | Smallhorn (2011) | |
| 51491 | Zia (Mawai Dialect) | [i-]gi | leaf | | Smallhorn (2011) | |
| 27881 | Zia | i gi | | | Wilson (1969) | |
| 51489 | Zia | [i] gi | leaf | | Smallhorn (2011) | |
| 51490 | Zia | gi | leaf | | Smallhorn (2011) | |
| 156071 | Yopno (Nokopo Dialect) | kwataŋ | | | McElhanon and Voorhoeve (1970) | leaf |
| 156070 | Yopno (Kewieng Dialect) | kondzi | | | McElhanon and Voorhoeve (1970) | leaf |
| 156028 | Yongkom | awutok | | | McElhanon and Voorhoeve (1970) | leaf |
| 7654 | Yimas | nɨmbrɨm | | | Foley (1986) | |
| 236158 | Yimas | nɨmprɨm | | | Foley (2005) | |
| 163871 | Yimas | nɩmbɩ | | | Davies and Comrie (1985) | leaf |
| 235488 | Yimas | nɨmprɨm | | | Foley (2005) | |
| 197977 | Yetfa | yɛmɛ | | | Conrad and Dye (1975) | |
| 28491 | Yekora | iŋgi | | | Wilson (1969) | |
| 51488 | Yekora | [iŋ]gi | leaf | | Smallhorn (2011) | |
| 51509 | Yegha (Yega Dialect) | [li-]gi | leaf | | Smallhorn (2011) | |
| 51508 | Yegha (Oukena Dialect) | [yi i]gi | leaf | | Smallhorn (2011) | |
| 51525 | Yegha (Korafe Dialect) | ['i]gi | leaf | | Smallhorn (2011) | |
| 51524 | Yegha (Korafe Dialect) | [ia] gi | leaf | | Smallhorn (2011) | |
| 196739 | Yawiyo (Wosawari Dialect) | nwai | | | Conrad and Dye (1975) | |
| 73407 | Yaweyuha | ailá | | | Scott (1978) | |
| 220890 | Yaweyuha | ai'daƀa | | | SIL (1965) | |
| 156064 | Yau (Yawan Dialect) | haǥim | | | McElhanon and Voorhoeve (1970) | leaf |
| 156063 | Yau (Worin Dialect) | saǥam | | | McElhanon and Voorhoeve (1970) | leaf |
| 156067 | Yau (Sindamon Dialect) | saim | | | McElhanon and Voorhoeve (1970) | leaf |
| 156066 | Yau (mup Dialect) | sagem | | | McElhanon and Voorhoeve (1970) | leaf |
| 156065 | Yau (Mitmit Dialect) | haǥim | | | McElhanon and Voorhoeve (1970) | leaf |
| 223326 | Yaqay (Wanggate Dialect) | iˈri | | | Kriens & Lebold (2010) | |
| 223095 | Yaqay (Wairu Dialect) | iˈri | | | Kriens & Lebold (2010) | |
| 222971 | Yaqay (Rayam Dialect) | iˈri | | | Kriens & Lebold (2010) | |
| 222692 | Yaqay (Kotup Dialect) | ˈderi | | | Kriens & Lebold (2010) | |
| 220288 | Yaqay (Kogo Dialect) | iɾi | | | Kriens & Lebold (2010) | |
| 29134 | Yaqay | iri | | | Voorhoeve (1971) | |
| 156049 | Yaqay | iri | | | McElhanon and Voorhoeve (1970) | leaf |
| 24262 | Yali, Angguruk | egela | | | Bromley (1967) | |
| 1572 | Yagwoia | kwiyɨ | | | Lloyd (1973) | |
| 221480 | Yagaria (Hira Dialect) | saʔa | | | SIL (2000) | |
| 231938 | Yagaria (Hira Dialect) | saʔa | | | SIL (2000) | |
| 73408 | Yagaria | haéya | | | Scott (1978) | |
| 73409 | Yagaria | zavasa | | | Scott (1978) | |
| 7258 | Wolani (Upper Mbijandoga Dialect) | ije | | | Larson & Larson (1972) | |
| 2272 | Wiru | tata | | | Franklin (1973) | |
| 227370 | Wipi (Wonie Dialect) | r̃om | | | Fleischmann and Turpeinen (1976) | |
| 226629 | Wipi (Wipim Dialect) | r̃ɔːm | | | Fleischmann and Turpeinen (1976) | |
| 226332 | Wipi (Ume Dialect) | r̃om | | | Fleischmann and Turpeinen (1976) | |
