| 659 | Cora - ICR - KQ | Casad, Eugene H. () | |
| 655 | Cora-ICR-WB | Casad, Eugene H. () | |
| 473 | Boruca | Castro (2007) | |
| 477 | Cubeo | Chacon (2012) | |
| 312 | Bullom So | Childs (2011) | Free |
| 524 | Camsá | Chindoy (1962) | |
| 576 | Akan | Christaller (1875) | Free |
| 261 | Kaki Ae | Clifton (1997) | |
| 247 | Hewa | Cochran (1968) | |
| 407 | Tswana | Cole (1955) | Free |
| 241 | Sepik Iwam | Conrad (1993) | |
| 226 | Bukiyip | Conrad and Wogiga (1991) | |
| 469 | Bribri | Conrad et al. (1978) | |
| 227 | Mufian | Conrad et al. (1978) | |
| 470 | Bribri | Constenla et al. (1979) | |
| 468 | Bribri | Constenla et al. (1979) | |
| 465 | Malecu | Constenla Umaña (1998) | |
| 330 | Sarcee | Cook (1984) | Free |
| 422 | Seselwa Creole French | Corne (1977) | Free |
| 224 | Warapu | Corris (2005) | |
| 318 | Ao Naga (Mongsen Dialect) | Coupe (2008) | Free |
| 151 | Sentani | Cowan (1965) | |
| 218 | Sentani: clean | Cowan (1965) | |
| 299 | North Levantine Arabic (Damascene Dialect) | Cowell (1964) | Free |
| 486 | Siriano | Criswell and Badrup (2000) | |
| 20 | Paamese | Crowley (1982) | |
| 119 | Atampaya | Crowley (1983) | Free |
| 120 | Angkamuthi | Crowley (1983) | Free |
| 671 | Yadhaykenu | Crowley (1983) | |
| 436 | Ura | Crowley (1999) | Free |
| 346 | Pashto (Northern Dialect) | David (2014) | Free |
| 212 | Kobon: clean | Davies (1981) | Free |
| 127 | Kobon | Davies (1981) | Free |
| 147 | Madurese | Davies (2010) | Free |
| 160 | Bunun | de Busser (2009) | Free |
| 105 | Martuthunira | Dench (1995) | Free |
| 348 | Hixkaryána | Derbyshire (1979) | Free |
| 304 | Basque (Standard Dialect) | de Rijk (2008) | Free |
| 598 | Makwe | Devos (2008) | Free |
| 148 | Kombai | de Vries (1993) | |
| 253 | Kokoda | de Vries (2004) | |
| 252 | Puragi | de Vries (2004) | |
| 251 | Yahadian | de Vries (2004) | |
| 66 | Inanwatan | de Vries (2004) | Free |
| 150 | Wambon | de Vries and de Vries-Wiersma (1992) | |
| 511 | Tsafiki | Dickinson (2002) | |
| 516 | Tsafiki | Dickinson (2002) | |
| 350 | Northern Pumi (Northwest Yunnan Dialect) | Ding (2014) | Free |
| 697 | Yidiny | Dixon (1977) | Free |
| 670 | Mpakwithi | Dixon (1981) | |
