| C Cube | Hexaedro |
| C flat major | Do bemol mayor |
| C I emission | Emisión C I |
| C II regions | Región C II |
| C M diagram | Diagrama C-M |
| C M relation | Relación CM |
| C minor | Do menor |
| C of E | Anglicanismo |
| C Plus Plus | C más más |
| C preprocessor | Preprocesador de C |
| C Programming | Programación en C |
| C Ring | Anillo C |
| C sharp major | Do sostenido mayor |
| C sharp minor | Do sostenido menor |
| C Sharp Programming | C sharp NET |
| C shell | C Shell |
| C star | Estrella C |
| c'mon | vamos |
| C*-algebra | C-estrella-álgebra |
| C-reactive protein | Proteína C reactiva |
| C-Train | C-Train |
| C-type asteroid | Asteroide de tipo C |
| C. S. Lewis | C. S. Lewis |
| CA | Cagliari |
| CA Brive | Club Athlétique Brive-Corrèze |
| Ca Mau | Ca Mau |
| Ca Mau Province | Ca Mau |
| CA Monarcas Morelia | Monarcas Morelia |
| CA Osasuna | Club Atlético Osasuna |
| CA Progreso | Club Atlético Progreso |
| Caaguazú Department | Departamento de Caaguazú |
| Caazapá Department | Departamento de Caazapá |
| cab | taxi |
| Cab-nary Island Chaffinch | Fringilla teydea |
| cabal | camarilla |
| cabala | cábala |
| cabalistic | cabalístico |
| Caballo de Troya | Caballo de Troya |
| cabana | cabaña |
| Cabana District | Distrito de Cabana |
| Cabanatuan City | Cabanatúan |
| Cabanes | Cabanes |
| Cabanes du Breuil | Construcciones de piedra seca de Breuil |
| Cabannes | Les Cabannes |
| cabaret | cabaret |
| cabaret singer | cantante de cabaret |
| Cabasa | Cabasa |
| Cabañas Department | Cabañas |
| Cabañeros National Park | Parque nacional de Cabañeros |
| cabbage | col |
| Cabbage Patch Kids | Cabbage Patch Kids |
| Cabbage roll | Dolma |
| Cabbage salad | Coleslaw |
| Cabbalah | Cábala |
| Cabbio | Cabbio |
| cabby | taxista |
| cabdriver | taxista |
| Cabeiri | Cabiros |
| Caber toss | Lanzamiento del tronco |
| cabergoline | cabergolina |
| Cabernet Franc | Cabernet Franc |
| Cabernet Sauvignon | Cabernet Sauvignon |
| Cabeço Gordo | Cabeço Gordo |
| Cabimas | Cabimas |
| cabin | cabaña |
| cabin boy | galopín |
