| cock | ave |
| Cock of the woods | Tetrao urogallus |
| Cock Sparrer | Cock Sparrer |
| cock-a-doodle-doo | cacareo |
| cock-a-hoop | alborozado |
| cock-of-the-rock | gallo de la peña |
| cockade | escarapela |
| Cockade of Uruguay | Escarapela Nacional de Uruguay |
| Cockaigne | país de Cucaña |
| cockatiel | ninfas |
| Cockatoes | Cacatuidae |
| cockatoo | cacatúa |
| Cockayne syndrome | Síndrome de Cockayne |
| Cockburn Town | Cockburn Town |
| cockchafer | abejorro |
| cockcrow | amanecer |
| cocked | pedo |
| cocked hat | tricornio |
| cocker spaniel | perro cócker |
| cockerel | gallo |
| cockeyed | estúpido |
| cockfight | pelea de gallos |
| cockfighting | pelea de gallos |
| cocking | armamento |
| cockle | berberecho |
| Cockney | Cockney |
| Cockney Rejects | Cockney Rejects |
| Cockney rhyming slang | Jerga rimada Cockney |
| cockpit | cabina del piloto |
| cockroach | cucaracha |
| cockscomb | cresta de gallo |
| cocksucker | mamón |
| cocksure | presumido |
| cocktail | cóctel |
| cocktail bar | cocktelería |
| cocktail lounge | bar |
| Cocktail parti | Cóctel |
| cocktail party | coctel |
| cocktail shaker | coctelera |
| Cocktail sort | Cocktail sort |
| cocktail stick | palillo de cóctel |
| Cocktail umbrella | Paraguas de cóctel |
| cocktease | calientapollas |
| cocky | pedante |
| Coclé Province | Coclé |
| coco | cocotero |
| Coco Chanel | Coco Chanel |
| Coco de mer | Lodoicea maldivica |
| Coco River | Río Coco |
| cocoa | cacao |
| cocoa bean | grano de cacao |
| cocoa butter | mantequilla de cacao |
| cocoanut | coco |
| Cocobeach | Cocobeach |
| COCOMO | COCOMO |
| coconut | coco |
| coconut milk | leche de coco |
| coconut palm | coco |
| coconut tree | coco |
| cocoon | capullo |
| Cocoon star | Estrella de capullo |
| Cocopah | Cucapá |
| Cocoparra National Park | Parque Nacional Cocoparra |
| Cocos Islands | Islas Cocos |
| Cocos Island | Isla del Coco |
| Cocos Islands | Islas Cocos |
| Cocos Plate | Placa de Cocos |
| cocoyam | rascadera |
| Cocytus | Cocito |
| cod | bacalao |
| Cod fish | Gadus morhua |
| cod liver oil | aceite de hígado de bacalao |
| cod-liver oil | aceite de hígado de bacalao |
| coda | coda |
