| Ciprian Marica | Ciprian Marica |
| Cipriano Castro | Cipriano Castro |
| Cipriano Mera | Cipriano Mera |
| cirage | polish |
| circadien | circadian |
| Circassien | Circassian |
| circaète | snake eagle |
| Circle Line | Circle line |
| Circle pit | Circle pit |
| Circoncellion | Circumcellions |
| circoncire | circumcise |
| circoncision | circumcision |
| circonflexe | circumflex |
| circonférence | circumference |
| circonlocution | circumlocution |
| circonscription | constituency |
| circonscription électorale | constituency |
| circonscrire | circumscribe |
| circonspect | cautious |
| circonspection | circumspection |
| circonstance | occurrence |
| circonstance accidentelle | incidental circumstance |
| circonstance atténuante | extenuating circumstance |
| circonstance fortuite | incidental circumstance |
| circonstances | condition |
| Circonstances atténuantes | Mitigating circumstances |
| circonstances précises | full facts |
| circonstancié | detailed |
| circonvallation | circumvallation |
| circonvenir | dodge |
| circonvolution cérébrale | gyrus |
| circonvolutions cérébrales | convolution |
| Circovirus | Porcine circovirus |
| circuit | circuit |
| Circuit automobile de Dijon-Prenois | Dijon-Prenois |
| Circuit Bugatti | Bugatti Circuit |
| Circuit de Catalogne | Circuit de Catalunya |
| Circuit de Charade | Charade Circuit |
| Circuit de Kyalami | Kyalami |
| Circuit de la Sarthe | Circuit de la Sarthe |
| Circuit de la Sarthe automobile | Circuit de la Sarthe |
| Circuit de Monaco | Circuit de Monaco |
| Circuit de Nevers Magny-Cours | Circuit de Nevers Magny-Cours |
| Circuit de Papez | Papez circuit |
| Circuit de Reims-Gueux | Reims-Gueux |
| Circuit de Rouen-les-Essarts | Rouen-Les-Essarts |
| Circuit de Silverstone | Silverstone Circuit |
| Circuit de Snetterton | Snetterton Motor Racing Circuit |
| Circuit de Spa-Francorchamps | Circuit de Spa-Francorchamps |
