| chocolat | chocolate |
| Chocolatier | chocolatier |
| Chomotau | Chomoutov |
| Choctaw | Choctaw |
| Cholin | choline |
| Cholop | kholop |
| Chorea | chorea |
| Chorowod | khorovod |
| Chorpult | lectern |
| chortle | chortle |
| Cho Oyu | Cho Oyu |
| Cholera | cholera |
| Chondrit | chondrite |
| Choral | chorale |
| Chorist | chorister |
| Choronym | choronym |
| Echolot | echo sounding |
| Schokolade | chocolate hot chocolate |
| chochem | clever |
| Hochrad | penny farthing |