| Castets-en-Dorthe | Castets-en-Dorthe |
| Castform | Morpheo |
| Casti-Wergenstein | Casti-Wergenstein |
| Castiel | Castiel |
| castigate | châtier |
| castigation | châtiment |
| Castiglioncello | Castiglioncello |
| Castiglione | Castiglione |
| Castile | Castille |
| Castile and León | Castille-et-León |
| Castile-La Mancha | Castille-La Manche |
| Castilian | Espagnol |
| Castilian Civil War | Première guerre civile de Castille |
| Castilian War of the Communities | Guerre des Communautés de Castille |
| Castilla y Léon | Castille-et-Léon |
| Castilla-La Mancha | Castille-La Manche |
| Castillian | Espagnol |
| Castillo | Castillo |
| Castillo CF | Castillo Club de Fútbol |
| Castillo-Nuevo | Castillonuevo |
| Castillon-la-Bataille | Castillon-la-Bataille |
| Castillon-sur-Lez | Castillon-sur-Lez |
| Castillon-sur-Verdon | Castillon-sur-Verdon |
| casting | fonte |
| Castinus | Castinus |
| castle | château |
| Castle Bruce | Castle-Bruce |
| Castle Clinton | Castle Clinton National Monument |
| Castle Howard | Castle Howard |
| castle in the air | châteaux en Espagne |
| Castle of Bouillon | Château de Bouillon |
| Castle of Gaasbeek | Château de Gaasbeek |
| Castle of Illusion Starring Mickey Mouse | Castle of Illusion |
| Castle of Loppem | Château de Loppem |
| Castle of São Jorge | Castelo de São Jorge |
| Castle Stalker | Stalker |
| Castlebar | Castlebar |
| Castletown | Castletown |
| castling | roque |
| castor | roulette |
| Castor and Pollux | Dioscures |
| Castor angle | Angle de chasse |
| castor oil | huile de ricin |
| Castor wheel | Roue |
| Castoridae | Castoridae |
| Castoroides | Castoroides ohioensis |
| Castra | Camp romain |
| Castra Praetoria | Caserne de la Garde prétorienne |
| castrate | émasculer |
