| cairn | Steinhügel |
| Cairns | Cairns |
| Cairnterriër | Cairn-Terrier |
| Cairo | Cairo |
| caissière | Kassiererin |
| Caisson | Caisson |
| caissonziekte | Druckluftkrankheit |
| Caithness | Caithness |
| Cajamarca | Cajamarca |
| Cajetanus van Thiene | Kajetan von Thiene |
| Cajun | Cajun |
| Cajun-Frans | Cajun |
| Cajón | Cajón |
| cake | Kuchen |
| CakePHP | CakePHP |
| Cakewalk | Cakewalk |
| Cakile | Meersenf |
| Cala | Cala |
| Calabanga | Calabanga |
| CALABARZON | CALABARZON |
| Calabasas | Calabasas |
| Calabi-Yau-variëteit | Calabi-Yau-Mannigfaltigkeit |
| Calabrië | Kalabrien |
| Calaca | Calaca |
| Calais | Calais |
| Calakmul | Calakmul |
| Calama | Calama |
| Calamba City | Calamba City |
| Calamianenhert | Calamian-Hirsch |
| Calamis | Kalamis |
| calamiteit | Unheil |
| Calamites | Kalamiten |
| Calamus | Rotangpalmen |
| Calanasan | Calanasan |
| Calanches de Piana | Calanche |
| Calanda | Calanda |
| Calapan City | Calapan City |
| Calape | Calape |
| Calasiao | Calasiao |
| Calatagan | Calatagan |
| Calau | Calau |
| Calauan | Calauan |
| Calaveras County | Calaveras County |
| Calaveriet | Calaverit |
| Calayan | Calayan |
| Calbe | Calbe |
| Calberlah | Calberlah |
| Calcasieu Parish | Calcasieu Parish |
| Calceolaria | Pantoffelblumen |
| Calceolariaceae | Pantoffelblumengewächse |
| calciet | Kalkspat |
| calciferol | Kalziferol |
| calcificatie | Kalkbildung |
| Calcinatie | Kalzination |
| Calcio Catania | Catania Calcio |
| Calcitonine | Calcitonin |
| calcium | Kalzium |
| Calciumantagonist | Calciumantagonist |
| Calciumbenzoaat | Calciumsorbat |
| Calciumcarbide | Carbid |
| Calciumcarbonaat | Calciumcarbonat |
| Calciumchloride | Calciumchlorid |
| Calciumnitraat | Calciumnitrat |
| calciumoxide | Calciumoxid |
| calciurie | Kalziurie |
| calculatie | Berechnung |
| calculator | Taschenrechner |
| calculeerbaar | berechenbar |
| calculeren | Rechnen |
| calculus | Rechnung |
| Calcutta | Kalkutta |
| Caldas | Caldas |
| Caldas da Rainha | Caldas da Rainha |
| Calden | Calden |
| Calder Memorial Trophy | Calder Memorial Trophy |
| Caldera | Caldera |
| Caldes de Montbui | Caldes de Montbui |
| Caldwell | Caldwell |
| Caldwell County | Caldwell County |
| Caldwell Parish | Caldwell Parish |
| Caledonia County | Caledonia County |
| Caledonian Road | Caledonian Road |
| Caledoniden | Kaledonische Orogenese |
| Caledoniet | Caledonit |
| Caledonisch Kanaal | Kaledonischer Kanal |
| caleidoscoop | Kaleidoskop |
| caleidoscopisch | kaleidoskopisch |
| Calendae | Kalenden |
| Caleu Caleu | Departamento Caleu Caleu |
| Calexico | Calexico |
| Calfreisen | Calfreisen |
| Calgary | Calgary |
| Calgary Flames | Calgary Flames |
| Calheta | Calheta |
| Calhoun County | Calhoun County |
| Cali | Cali |
| Caliban | Caliban |
| calico | Kaliko |
| calicot | Kaliko |
| Caliente | Caliente |
| California City | California City |
| Californisch | kalifornisch |
| Californische condor | Kalifornien-Kondor |
| Californische sequoia | Rotholz |
