* Min Dong (cdo) (new)
* Chechen (ce)
* Cebuano (ceb) (new)
+* Cherokee (chr) (new)
* Corsican (co) (new)
* Crimean Tatar (Cyrillic) (crh-cyrl) (new)
* Crimean Tatar (Latin) (crh-latn) (new)
* Welsh (cy)
* Danish (da)
* German (de)
+* Zazaki (diq) (new)
* Lower Sorbian (dsb) (new)
* Middle Dutch (dum) (new)
* Divehi (dv)
'bug' => 'ᨅᨔ ᨕᨘᨁᨗ', # Buginese
'bxr' => 'Буряад', # Buryat (Russia)
'ca' => 'Català', # Catalan
- 'cbk-zam' => 'Zamboangueño', # Zamboanga Chavacano
+ 'cbk-zam' => 'Chavacano de Zamboanga', # Zamboanga Chavacano
'cdo' => 'Mìng-dĕ̤ng-ngṳ̄', # Min Dong
'ce' => 'Нохчийн', # Chechen
'ceb' => 'Cebuano', # Cebuano