| CA | Ca |
| Caan | Caen |
| Cabanes | Cabanes |
| cabaret | kabaret |
| Cabeiren | Kabeirové |
| Cabinda | Cabinda |
| Cabo da Roca | Cabo da Roca |
| cabrio | kabriolet |
| cabriolet | kabriolet |
| cacao | kakao |
| cacaoboom | kakaovník |
| cacaoboon | kakaový bob |
| cacaopoeder | kakao |
| Cachaça | Cachaça |
| Cache | Cache |
| Cachoeira do Sul | Cachoeira do Sul |
| cachou | kešu oříšek |
| cactus | kaktus |
| Cactusfamilie | Kaktusovité |
| cadeau | dar |
| Cadiz | Cádiz |
| Cadiz City | Cádiz |
| cadmium | kadmium |
| Cadmiumpigment | Kadmium oranžové |
| Caen | Caen |
| Caenorhabditis elegans | Háďátko obecné |
| Caesar | Caesar |
| Caesarcijfer | Caesarova šifra |
| Caesarea | Caesarea Maritima |
| cafetaria | kantýna |
| cafeïne | kofein |
| café | kavárna |
| Cagliari | Cagliari |
| Cagliari Calcio | Cagliari Calcio |
| cahier | zápisník |
| Cahul | Cahul |
| Cairnterriër | Cairn teriér |
| Cairo | Káhira |
| Cajón | Cajón |
| cake | dort |
| Calabrië | Kalábrie |
| Calais | Calais |
| calamiteit | kalamita |
| Calaveriet | Calaverit |
| Calaïs | Kalaís a Zétés |
| calciet | vápenec |
| Calcio Catania | Calcio Catania |
| Calcitonine | Kalcitonin |
| calcium | vápník |
| Calciumcarbonaat | Uhličitan vápenatý |
| calculator | kalkulačka |
| Calcutta | Kalkata |
| Caldas | Departement Caldas |
| Calder Memorial Trophy | Calder Memorial Trophy |
| Caldera | Kaldera |
| Caldwell | Caldwell |
| Caledoniden | Kaledonské vrásnění |
| Caledonisch Kanaal | Kaledonský kanál |
| Caledonië | Skotsko |
| Calgary | Calgary |
| Calgary Flames | Calgary Flames |
| Cali | Draslík |
| Caliban | Caliban |
| Californisch | Kaliforňan |
| Californische zeeleeuw | Lachtan kalifornský |
| californium | kalifornium |
| Californië | Kalifornie |
| Californiër | Kaliforňan |
| Caligula | Caligula |
| Call of Duty | Call of Duty |
| Calla | Ďáblík bahenní |
| Callao | Lima |
| Callicrates | Kallikratés |
| Calligrafie | Kaligrafie |
| Callimachus | Kallimachos z Kyrény |
| Callinus | Kallínos z Efesu |
| Callirrhoë | Kallirhoé |
| Callisto | Callisto |
| calorie | kalorie |
| Calorische waarde | Výhřevnost |
| Caltanissetta | Provincie Caltanissetta |
| Calvados | Calvados |
| Calvijn | Jan Kalvín |
| Calvin Coolidge | Calvin Coolidge |
| Calvin Klein | Calvin Klein |
| Calvincyclus | Calvinův cyklus |
| Calvinisme | Kalvinismus |
| Calypso | Calypso |
| cam | webkamera |
| Cama | Postel |
| Camarasaurus | Camarasaurus |
| Camargue | Camargský kůň |
| Cambodja | Kambodža |
| Cambodjaans | Kambodžanka |
| Cambridge | Cambridge |
| Cambrium | Kambrium |
| Camden | Camden |
| CamelCase | CamelCase |
| Camelidae | Velbloudovití |
| Cameo | Cameo |
| camera | fotoaparát |
| Camera obscura | Camera obscura |
| Camerata fiorentina | Florentská camerata |
| Cameron | Cameron |
| Cameron Diaz | Cameron Diaz |
| Camilla | Kamila |
| Camille | Dáma s kaméliemi |
| Camille Claudel | Camille Claudelová |
| Camille Corot | Camille Corot |
| Camille Jordan | Camille Jordan |
| Camille Pissarro | Camille Pissarro |
| Camille Saint-Saëns | Camille Saint-Saëns |
| Camillo Golgi | Camillo Golgi |
| Camilo José Cela | Camilo José Cela |
| Camino | Camino |
| Camorra | Camorra |
| Camp Nou | Camp Nou |
| campagne | tažení |
| Campagne in Noord-Afrika | Druhá světová válka v Africe |
| Campana | Zvon |
| Campania | Kampánie |
| Campanile | Giottova zvonice |
| Campanulales | Zvonkotvaré |
| Campeonato Ecuatoriano de Fútbol | Serie A |
| Campi Flegrei | Campi Flegrei |
| Campo | Fyzikální pole |
| Campobasso | Campobasso |
| Campomarino | Campomarino |
| Camptosaurus | Camptosaurus |
| campus | kampus |
| Canaan | Kanaán |
| Canada | Kanada |
| Canada Day | Den Kanady |
| Canada Water | Canada Water |
| Canadees | Kánoe |
| Canadees Schild | Kanadský štít |
| Canadese Arctische Eilanden | Kanadské arktické souostroví |
| Canadese bever | Bobr kanadský |
| Canadese dollar | Kanadský dolar |
| Canadese kano | Kánoe |
| Canadese lynx | Rys kanadský |
| Canadian Pacific Railroad | Canadian Pacific Railway |
| Canadian Pacific Railway | Canadian Pacific Railway |
| Canal du Midi | Canal du Midi |
| Canal Grande | Canal Grande |
| canard | kachna |
| Canarische Eilanden | Kanárské ostrovy |
| Canberra | Canberra |
| Cancer | Rakovina |
| Candide | Candida albicans |
| Caniformia | Psovití |
| Canis | Canis |
| Cannabinoïde | Endocannabinoidy |
| Cannes | Cannes |
| Cannibal Corpse | Cannibal Corpse |
| Cannon Beach | Cannon Beach |
| Cannonball | Raketa |
| canon | kánon |
| Canon in D | Kánon v D-dur |
| Canope | Kanopa |
| Cantabrisch Gebergte | Kantaberské pohoří |
| Cantabrië | Kantábrie |
| Cantar de Mio Cid | Píseň o Cidovi |
