| *Cenek | |
| *ceq | |
| *ceqceq | |
| *CeRab | |
| *Cesek | |
| *CeŋeN | |
| *Cidu | |
| *Cik | |
| *cik | |
| *CikCik | |
| *Cikel | |
| *Cinakaw | |
| *CinaliS | |
| *Cinapa | |
| *Cinaqi | |
| *CinaqiS | |
| *CinuNuh | |
| *Ciqaw | |
| *cit | |
| *CiŋaS | |
| *-Cu | |
| *Cubuq | |
| *CugCug | |
| *Cumabu | |
| *Cumaki | |
| *CumaliS | |
| *Cumaqi | |
| *CumaqiS | |
| *Cumay | |
| *Cumaŋis | |
| *Cumek | |
| *CumeS | |
| *CumikCik | |
| *Cumubuq | |
| *CumuNuh | |
| *CumuSuR | |
| *CuNuh | |
| *cuNuh | |
| *CuNuh-an | |
| *CuqelaN | |
| *Curis | |
| *CuSuR | |
| *cut | |
| *Cuzuq | |
| d3wha | |
| *da-ama | |
| dada | |
| *dadaN | |
| dahun | |
| *dajam | |
| Proto-Austronesian |