| coefficient | coeficiente |
| Coefficient of restitution | Coeficiente de restitución |
| Coefficient of thermal expansion | Coeficiente de dilatación |
| Coelenterata | Radiata |
| coelenterate | celentéreos |
| coelenterates | celenterados |
| Coelerni | Coelernos |
| coeliac disease | celiaquía |
| Coelophysidae | Coelophysidae |
| Coelophysoidea | Coelophysoidea |
| Coeluridae | Coeluridae |
| Coeluroides | Coeluroides |
| Coelurosauria | Coelurosauria |
| Coelurus | Coelurus |
| Coen Brothers | Joel y Ethan Coen |
| Coenraad Jacob Temminck | Coenraad Jacob Temminck |
| Coenus | Coeno |
| coenzyme | coenzima |
| coerce | imponer |
| coercion | coacción |
| coercive | coercitivo |
| Coercivity | Coercitividad |
| Coesfeld | Distrito de Coesfeld |
| Coesite | Coesita |
| Coeus | Ceo |
| coeval | contemporáneo |
| coexist | coexistir |
| coexistence | coexistencia |
| coexistent | coexistente |
| coexisting | contemporáneo |
| cofactor | cofactor |
| Cofee | Café |
| Coffea | Coffea |
| Coffea arabica | Coffea arabica |
| Coffea canephora | Coffea canephora |
| coffee | café |
| Coffee and Cigarettes | Coffee and Cigarettes |
| Coffee and health | Café y salud |
| coffee bean | grano de café |
| coffee break | descanso para tomar café |
| Coffee cream cake | Distrito de Moka |
| coffee grinder | molinillo de café |
| coffee maker | cafetera |
| coffee mill | molinillo de café |
| coffee pot | cafetera |
| Coffee roasting | Tueste del café |
| coffee table | mesita baja |
| coffee-pot | cafetera |
| coffeemaker | cafetera |
| coffeepot | cafetera |
| coffer | artesón |
| Cofffee | Café |
| coffice | coficina |
| coffin | féretro |
| Coffin Texts | Textos de los Sarcófagos |
| coffle | cáfila |
| Cofidis | Cofidis |
| Cofre de Perote | Cofre de Perote |
| Cofrentes Nuclear Power Plant | Central nuclear de Cofrentes |
| Cofán | Cofán |
| cog | diente de engranaje |
| COGEMA La Hague site | Centro COGEMA de La Hague |
| cogency | poder |
