| 55888 | Daloa Bété | ɔ˦ | | | Zogbo (2004) | |
| 48972 | Kawaiisu | siʔinaja | | | Zigmond et al. (1990) | |
| 57886 | Toussian, Northern | a˩ | | | Zaugg-Coretti (2005) | |
| 53671 | Yucuna | riká | | | Yukuna, Yukuna, Schauer and Schauer (2005) | |
| 45412 | Maithili | hinka | | | Yadav (1996) | |
| 33145 | Amis | ciŋranan | | | Wu (2006) | |
| 48780 | Kaonde | mu- | | | Wright (2008) | |
| 25417 | Yindjibarndi | wala | | | Wordick (1982) | |
| 28902 | Tok Pisin | em | | | Woodford (1979) | |
| 34663 | Cebuano | niiya | | | Wolff (1965) | |
| 56174 | Akebu | ŋ | | | Wolf (1907) | |
| 57934 | Tiéfo | ʔɔ̃˩ | | | Winkelmann (1998) | |
| 55524 | Konyagi | umə, mə | | | Wilson (2007) | |
| 55356 | Cobiana | a | | | Wilson (2007) | |
| 55038 | Themne | kɔ | | | Wilson (2007) | |
| 55400 | Banhum | eem | | | Wilson (2007) | |
| 55082 | Baga Sitemu | kɔ | | | Wilson (2007) | |
| 55126 | Nalu | a | | | Wilson (2007) | |
| 55312 | Cassanga | a | | | Wilson (2007) | |
| 55444 | Biafada | mom | | | Wilson (2007) | |
| 55486 | Pajade | ŋee | | | Wilson (2007) | |
| 55568 | Tanda | məŋ, ajɔ | | | Wilson (2007) | |
| 55268 | Kuwaataay (Diembering Dialect) | akɛna | | | Wilson (2007) | |
| 55220 | Jola-Kasa (Husuy Dialect) | ɔ, akila | | | Wilson (2007) | |
| 55172 | Sua | fɔa | | | Wilson (2007) | |
| 54942 | Bijago | ɔg | | | Wilson (2007) | |
| 55612 | Karon | akɛna | | | Wilson (1961) | |
| 54894 | Balanta-Kentohe | ma | | | Wilson (1961) | |
| 51312 | Sranan | eŋ | | | Wilner (2007) | |
| 30139 | Tetun Dili | nia | | | Williams-van Klinken et al. (2002) | |
| 24942 | Yuwaalaraay | ? | | | Williams (1980) | |
| 46084 | Kaingang | ti | The form '-n' is also listed (Wiesemann 1972:101). | | Wiesemann (1972) | |
| 57790 | Karaboro, Eastern | u˧ | | | Wichser (1994) | |
| 35409 | Menya | ki | | | Whitehead (2004) | |
| 52444 | Siona | ʔɨ̃/ 'ba / hã'ʔa / 'ge | | | Wheeler (2000) | |
| 27586 | Occitan | -lo | | | Wheeler (1988b) | |
| 27722 | Catalan | -li | | | Wheeler (1988a) | |
| 46700 | Mandobo | eɡe | | | Wester (2014) | |
| 46892 | South Awyu | ewi | | | Wester (2014) | |
| 46748 | Aghu | eke | | | Wester (2014) | |
| 46844 | Edera Awyu | ewe | | | Wester (2014) | |
| 46796 | Asue Awyu | eki | | | Wester (2014) | |
| 58078 | Bariba | yu˩, ye˩ | | | Welmers (1952) | |
| 44500 | Savosavo | lo | | | Wegener (2012) | |
| 50496 | Huallaga Huánuco Quechua | paj | | | Weber (1989) | |
| 49212 | Kham (Western Parbate) (Takale Dialect) | no: | | | Watters (2002) | |
| 58792 | Ejagham | yɛ˧˥ | | | Watters (1981) | |
| 28403 | Djinang | ñaniñi | | | Waters (1989) | |
| 33286 | Thao | cicu | | | Wang (2004) | |
| 53767 | Kotiria | tíró | | | Waltz and Waltz (2000) | |
