| 22671 | Ngkolmpu | ŋko | | | Carroll (2013) | |
| 62395 | Yei | ni | | | Carroll, M.J. (2017) | |
| 60399 | cora_ICR_TCC_2 | (ĩ)nʸaa | | | Casad (1984) | |
| 60879 | Cora-ICR-NE | (í)ɲaa | | | Casad (1984) | |
| 62050 | Cora-ICR-LB | (i)nyaa | | | Casad, Eugene (1984) | |
| 60173 | Cora-ICR-WB | (i)nyaa, nu, nu'u | | | Casad, Eugene H. () | |
| 60347 | Cora - ICR - KQ | (í)nyaa | | | Casad, Eugene H. () | |
| 52054 | Boruca | at | | | Castro (2007) | |
| 52198 | Cubeo | jɨ | | | Chacon (2012) | |
| 44629 | Bullom So | yà | | | Childs (2011) | |
| 54264 | Camsá | at̪ | | | Chindoy (1962) | |
| 56635 | Akan | mé | | | Christaller (1875) | |
| 42253 | Kaki Ae | nao | | | Clifton (1997) | |
| 41601 | Hewa | 'ano | | | Cochran (1968) | |
| 49053 | Tswana | nnɑ | | | Cole (1955) | |
| 41321 | Sepik Iwam | kara | | | Conrad (1993) | |
| 40625 | Bukiyip | yek | | | Conrad and Wogiga (1991) | |
| 40673 | Mufian | ae' | | | Conrad et al. (1978) | |
| 51914 | Bribri | yeʔ | | | Constenla et al. (1979) | |
| 51805 | Malecu | ton | | | Constenla Umaña (1998) | |
| 45493 | Sarcee | síní | | | Cook (1984) | |
| 49773 | Seselwa Creole French | mô | | | Corne (1977) | |
| 40532 | Warapu | nĕná | | | Corris (2005) | |
| 44917 | Ao Naga (Mongsen Dialect) | nì | | | Coupe (2008) | |
| 40077 | Sentani | da | | | Cowan (1965) | |
| 31834 | Sentani | dəjɛ | | | Cowan (1965) | |
| 31833 | Sentani | d- | | | Cowan (1965) | |
| 31832 | Sentani | da | | | Cowan (1965) | |
| 43958 | North Levantine Arabic (Damascene Dialect) | ʔana | | | Cowell (1964) | |
| 52621 | Siriano | ʝɨɨ́ | | | Criswell and Badrup (2000) | |
| 23388 | Paamese | inau | | | Crowley (1982) | |
| 29209 | Angkamuthi | ayuβa | | | Crowley (1983) | |
| 29141 | Atampaya | ayuβa | | | Crowley (1983) | |
| 60975 | Yadhaykenu | ayu(ßa) | | | Crowley (1983) | |
| 50433 | Ura | yau | | | Crowley (1999) | |
| 46165 | Pashto (Northern Dialect) | zə | | | David (2014) | |
| 29878 | Kobon | ad | | | Davies (1981) | |
| 29877 | Kobon | yad | | | Davies (1981) | |
| 39054 | Kobon | yad | | | Davies (1981) | |
| 31501 | Madurese | səŋkoʔ | | | Davies (2010) | |
| 32810 | Bunun | saikin | | | de Busser (2009) | |
| 32809 | Bunun | sak | | | de Busser (2009) | |
| 28429 | Martuthunira | ngayu | | | Dench (1995) | |
| 46261 | Hixkaryána | uro | | | Derbyshire (1979) | |
| 44198 | Basque (Standard Dialect) | ni | | | de Rijk (2008) | |
| 57583 | Makwe | míipa | | | Devos (2008) | |
| 31570 | Kombai | nu | | | de Vries (1993) | |
| 41781 | Yahadian | nénigi | | | de Vries (2004) | |
| 41869 | Kokoda | néiγa | | | de Vries (2004) | |
| 26160 | Inanwatan | náiti | | | de Vries (2004) | |
