| 53157 | Epena | pʉ | | | Pardo and Aguirre (1993) | |
| 52274 | Woun Meu | pɯ | | | Fonegra (2000) | |
| 47763 | Kele | ou | | | Lynch et al. (2002) | |
| 61298 | Malay (Ambon Dialect) | ose, ale | ale is the intimate form | | Minde (1997) | |
| 31668 | Kamoro | orò | | | Drabbe (1953) | |
| 58469 | Akpes | ɔ̀ɔ́ | | | Agoyi (2001) | |
| 27078 | Enggano | ʔɔʔɔ | | | Kähler (1940) | |
| 42738 | Takia | oŋ | | | Ross (2014) | |
| 48195 | Arop-Lokep | ong | | | Lynch et al. (2002) | |
| 46241 | Hixkaryána | omoro | | | Derbyshire (1979) | |
| 53397 | Nadëb | ʔɔ̃m, ma-, a- | | | Bolaños and Epps (2009) | |
| 31058 | Mian | ólob- | | | Fedden (2007) | |
| 33787 | Tainae | okɨ | | | Carlson (1991) | |
| 50317 | Sinaugoro | ɣoi | | | Tauberschmidt (1999) | |
| 23489 | Samoan | ʔoe | | | Pratt (1893) | |
| 34239 | Longgu | oe | | | Hill (1992) | |
| 48793 | Kaonde | obewa | | | Wright (2008) | |
| 36137 | Maklew | obé | | | Boelaars (1950) | |
| 31057 | Mian | ób- | | | Fedden (2007) | |
| 31056 | Mian | ób | | | Fedden (2007) | |
| 55949 | Southern Grebo | Ø | zero morpheme | | Innes (1966) | |
| 52498 | Ocaina | o̙ | | | Rosselli (2000) | |
| 56423 | Ga | o˩ | | | Kropp Dakubu (1976) | |
| 55996 | Ega | o˥ | | | Bolé-Richard (1983) | |
| 46337 | Neverver | oɣ | | | Barbour (2012) | |
| 59762 | Klon | o- | | | Baird (2008) | |
| 32058 | Abui | o- | | | Kratochvíl (2007) | |
| 53732 | Murui Huitoto | o | | | Piñeros and Roselli (2000) | |
| 30126 | Tetun Dili | o | | | Williams-van Klinken et al. (2002) | |
| 49081 | Yoruba | o | | | Bamgbose (1966) | |
| 23897 | Boumaa Fijian | o | | | Dixon (1988) | |
| 48601 | Kokota | o | | | Palmer (2009) | |
| 25540 | Wangkajunga | nyuntu | | | Jones (2011) | |
| 62231 | Guugu Yimidhirr | nyundu | | | Haviland (1979) | |
| 28470 | Wambaya | nyamirniji, nyami | | | Nordlinger (1998) | |
| 40605 | Bukiyip | nyak | | | Conrad and Wogiga (1991) | |
| 59961 | Ngiti-ICR-LB | ɨnyɨ | | | Kutsch Lojenga (1994) | |
| 60667 | ngiti_ICR_TCC | (ɨ̀)nyɨ̀ | | | Lojenga, Constance Kutsch (1994) | |
| 60105 | ngiti_ICR_WB | (ɨ)nyɨ | | | Kutsch Lojenga, Constance. (1994) | |
| 49801 | Iwaidja (Iwaidja Dialect) | nuyi | | | Evans pc () | |
| 41670 | Mehek | nura | | | Paulon et al. (2002) | |
| 35328 | Gurindji | ñuntu | | | McConvell (1980) | |
| 35260 | Yulparija | ñuntu | | | Burridge (1996) | |
| 28393 | Djinang | ñuni | | | Waters (1989) | |
| 24997 | Jaru | ñundu | | | Tsunoda (1988) | |
| 47565 | Badimaya (Southern Dialect) | n̪undu | | | Dunn (1988) | |
| 47517 | Badimaya (Northern Dialect) | n̪undu | | | Dunn (1988) | |
| 35464 | Ngandi | ṇugan | | | Heath (1978) | |
| 53912 | Chachi | nũ | | | Floyd (2010) | |
| 40749 | Kamasau | nu | | | Sanders and Sanders (1996) | |
