| coca-cola | Coca-Cola |
| Coca-Cola BlāK | Coca-Cola BlāK |
| Coca-Cola Light | Diet Coke |
| cocagne | Cockaigne |
| cocarde | cockade |
| cocasse | comic |
| cocatrix | cockatrice |
| cocaïne | coke |
| Coccinella | Coccinella |
| Coccinella septempunctata | Coccinella septempunctata |
| coccinelle | ladybird |
| Coccinelle asiatique | Harmonia axyridis |
| Coccinelle ocellée | Anatis ocellata |
| Coccinelle à deux points | Two-spotted lady beetle |
| Coccinellidae | Coccinellidae |
| Coccolithe | Coccolith |
| Coccolithophoridé | Coccolithophore |
| Coccoloba | Coccoloba |
| Coccoloba uvifera | Coccoloba uvifera |
| Coccothraustes | Coccothraustes |
| coccus | coccus |
| coccygien | coccygeal |
| coccyx | coccyx |
| Coccyzus | Coccyzus |
| Cochem | Cochem |
| Cochem-Zell | Cochem-Zell |
| cochenellier | nopal |
| cochenille | cochineal |
| cocher | mark off |
| Cocherel | Cocherel |
| Cochin City | Cochin City |
| Cochinchine | Cochinchina |
| Cochlearia | Cochlearia |
| Cochlearia officinalis | Cochlearia officinalis |
| cochleria | cochleria |
| Cochlodina laminata | Cepaea vindobonensis |
| Cochlospermaceae | Cochlospermaceae |
| cochléaire | cochlear |
| Cochléaire officinale | Cochlearia officinalis |
| cochlée | cochlea |
| cochon | slob |
| cochon d'Inde | guinea pig |
| cochon de lait | sucking pig |
| cochon de terre | aardvark |
| cochonne | slut |
| cochonnet | piglet |
| Cochons de Pink Floyd | Pink Floyd pigs |
| Cockburn Town | Cockburn Town |
| cocker | cocker spaniel |
| Cocker Spaniel anglais | English Cocker Spaniel |
| cockney | Cockney |
| Cockney Rejects | Cockney Rejects |
| cockpit | cockpit |
