| 54654 | Páez | tʲã: | | | Jung (2008) | |
| 23421 | Paamese | kaie | | | Crowley (1982) | |
| 24806 | Paakantyi | ŋan̲a | | | Hercus (1982) | |
| 42028 | Orokolo | arero | | | Brown (1972) | |
| 44644 | Old Hittite | apūn | form 'apɑ̄n' is also listed (Hoffner Jr and Melcher 2008:133-4). | | Hoffner Jr and Melcher (2008) | |
| 30872 | Oksapmin | olxap | | | Loughnane (2009) | |
| 30871 | Oksapmin | ox | | | Loughnane (2009) | |
| 36051 | Oksapmin | ox | | | Loughnane (2009) | |
| 27586 | Occitan | -lo | | | Wheeler (1988b) | |
| 52488 | Ocaina | i̙ha̙ | | | Rosselli (2000) | |
| 25698 | Nyulnyul | kiɲiŋk | | | McGregor (2011) | |
| 28619 | Nyawaygi | ñaŋgaña | | | Dixon (1983) | |
| 61845 | Numanggang | adi | | | Hynum (2010) | |
| 53623 | Nukak Makú | kaan | | | Bolaños and Epps (2009) | |
| 50784 | Nothern Sotho | lɔna | | | Lourwrens el al. (1995) | |
| 49164 | North Marquesan | iɑ | | | Cablitz (2006) | |
| 43925 | North Levantine Arabic (Damascene Dialect) | -o | This form surfaces as ‘-∅’ when suffixed to a verb with a final vowel (Cowell 1964:540). | | Cowell (1964) | |
| 46276 | Northern Pumi (Northwest Yunnan Dialect) | ni˥˩ | | | Ding (2014) | |
| 53336 | Northern Embera | iǰi | | | Pardo and Aguirre (1993) | |
| 51837 | Northern Embera | itʃira | | | Mortensen (1999) | |
| 58931 | Noone | wen˧ | | | Hyman (1981) | |
| 51264 | Noon | -rɪ | | | Soukka (2000) | |
| 58648 | Nizaa | ŋu˧ | | | Kjelsvik (2002) | |
| 43576 | Nigerian Pidgin | am | | | Faraclas (1996) | |
| 47600 | Nhanda | ala | | | Blevins (2001) | |
| 22704 | Ngkolmpu | pi | | | Carroll (2013) | |
| 23192 | Ngiyambaa | =niN- | | | Donaldson (1980) | |
| 23193 | Ngiyambaa | =naN- | | | Donaldson (1980) | |
| 60092 | ngiti_ICR_WB | ka, kà, àbadhi | | | Kutsch Lojenga, Constance. (1994) | |
| 60654 | ngiti_ICR_TCC | ka | | | Lojenga, Constance Kutsch (1994) | |
| 59948 | Ngiti-ICR-LB | ka, kà, àbadhi | | | Kutsch Lojenga (1994) | |
| 56926 | Ngbandi | lo˩ | | | Toronzoni (1989) | |
| 46180 | Ngarinman (Bilinara (Pilinara) Dialect) | ɲandu | | | Meakins and Nordlinger (2014) | |
| 28343 | Ngankikurungkurr | nem | | | Hoddinott and Kofod (1988) | |
| 35477 | Ngandi | ṇiwan | | | Heath (1978) | |
| 22976 | Ngalakan | ɳiɲjaʔ | | | Merlan (1983) | |
| 46324 | Neverver | ei | | | Barbour (2012) | |
| 61701 | Neve'ei | i | | | Musgrave (2007) | |
| 22177 | Nen | bä | | | Evans (2013) | |
| 35953 | Nen | bä | | | Evans (2013) | |
| 26125 | Neme | bæ | | | Evans (2012) | |
| 43733 | Ndyuka | a | | | Huttar and Huttar (1994) | |
| 55708 | Ndut | ɗi, ri | | | Morgan (1996) | |
| 46604 | Ndom | ɛfɛ | | | Boelaars (1950) | |
| 59067 | Ndoe | we | | | Byström (1954) | |
| 29106 | Ndjébbana | nakébba | | | McKay (2000) | |
| 56650 | Nawuri | mò | | | Sherwood (1982) | |
| 58362 | Nateni | o˩ | | | Neukom (1995) | |
| 59700 | Namo (Tais Dialect) | fæ | | | Evans et al (2017) | |
| 41700 | Namia | loko | | | Feldpausch and Feldpausch (1992) | |
