| cashewnoot | anacardo |
| Casimir I van Polen | Casimiro I el Restaurador |
| Casimir II van Polen | Casimiro II el Justo |
| Casimir IV van Polen | Casimiro IV Jagellón |
| Casimir-effect | Efecto Casimir |
| casino | casino |
| Casino Royale | Casino Royale |
| Casinos | Casinos |
| Casio | Casio |
| Casiquiare | Casiquiare |
| Caslano | Caslano |
| Caspar David Friedrich | Caspar David Friedrich |
| Caspase | Caspasa |
| Casper | Casper |
| Casper en Hobbes | Calvin y Hobbes |
| Caspian X | Caspian X |
| Cass County | Condado de Cass |
| Cassander | Casandro de Macedonia |
| Cassandra | Casandra |
| cassave | mandioca |
| Casserres | Caserras |
| cassette | estuche |
| cassettedeck | grabadora |
| cassetterecorder | grabadora |
| Cassia | Cassia |
| Cassini-Huygens | Cassini-Huygens |
| Cassinischeiding | División de Cassini |
| Cassiodorus | Casiodoro |
| Cassiope | Cassiope |
| Cassiopea | Casiopea |
| Cassiopeia | Cassiopeia |
| cassis | casis |
| Cassiteriet | Casiterita |
| Cassius Chaerea | Casio Querea |
| Cassius Dio | Dion Casio |
| cassière | cajera |
| Cassiël | Cassiel |
| cast | reparto |
| Casta | Castas en la Nueva España |
| Castagnac | Castagnac |
| castagnet | castañuela |
| castagnetten | castañuela |
| Castalla | Castalla |
| Castaneda | Castaneda |
| Castanet-le-Haut | Castanet-le-Haut |
| Castanheira de Pêra | Castanheira de Pêra |
| Castasegna | Castasegna |
| Castel del Monte | Castel del Monte |
| Castel Gandolfo | Castel Gandolfo |
| Castel San Pietro | Castel San Pietro |
| Castelar | Castelar |
| Castell | Casteller |
| Castellanos | Departamento Castellanos |
| Castellar del Vallès | Castellar del Vallés |
| Castellare-di-Casinca | Castellare-di-Casinca |
| Castellare-di-Mercurio | Castellare-di-Mercurio |
| Castellbell i el Vilar | Castellbell y Vilar |
| Castellet i la Gornal | Castellet y Gornal |
| Castelli | Castelli |
| Castello | Castillo |
| Castello Sforzesco | Castillo Sforzesco |
| Castello-di-Rostino | Castello-di-Rostino |
| Castellterçol | Castelltersol |
| Castellum | Castillo |
| Castelló de Rugat | Castellón de Rugat |
| Castellón | Provincia de Castellón |
| Castellón de la Plana | Castellón de la Plana |
| Castelnau-mierklauwier | batará de Castelnau |
| Castelo Branco | Castelo Branco |
| Castelo de São Jorge | Castillo de San Jorge de Lisboa |
| Castelsarrasin | Castelsarrasin |
| casten | castear |
| Casti-Wergenstein | Casti-Wergenstein |
| Castiel | Castiel |
| Castifao | Castifao |
| castigatie | expurgación |
| castigeren | eliminar |
| Castiliaans | español |
| Castilië | Castilla |
| Castillië | Castilla |
| Castineta | Castineta |
| Castirla | Castirla |
| Castle Dale | Castle Dale |
| Castle Valley | Castle Valley |
| Castor | Cástor |
| Castor en Pollux | Dioscuros |
| Castoreum | Castoreo |
| Castoroides | Castoroides |
| castorolie | aceite de ricino |
| Castra | Castrum |
| castraat | eunuco |
| castratie | castración |
| Castrelo do Val | Castrelo del Valle |
| castreren | castrar |
| Castries | Castries |
| Castrisch | Castrisch |
| Castro Barros | Departamento Castro Barros |
| Castro de Rei | Castro de Rey |
| Castro-Urdiales | Castro-Urdiales |
| Castrop-Rauxel | Castrop-Rauxel |
| Casu marzu | Casu marzu |
| Casuarina | Casuarina |
| Casuarinaceae | Casuarinaceae |
| Casuaris | Casuarius |
| casus | caso |
| Casus belli | Casus belli |
| casuïst | casuista |
| casuïstiek | casuística |
| Cat Power | Cat Power |
| CAT-scanner | tomógrafo |
| cataclysme | desastre |
