| cathode-ray relay | Kathodenstrahl-Relais |
| cathode-ray storage tube | Kathodenstrahlspeicherröhre |
| cathode-ray tube memory | Kathodenstrahlröhrenspeicher |
| cathode-ray tube screen | Kathodenstrahlröhrenschirm |
| cathode-ray tubes | Kathodenstrahlröhren |
| cathode-ray tuning indicator | Abstimmanzeigeröhre |
| cathodes | Katoden |
| cathodic corrosion protection | kathodischer Korrosionsschutz |
| cathodic corrosion reaction | kathodische Reaktion |
| cathodic current | Kathodenstrom |
| cathodic dip electro-priming | kathodische Tauchlackierung |
| cathodic dip painting | kathodische Tauchlackierung |
| cathodic dip primer | KTL |
| cathodic dip primer, cathodic dip electro-priming | KTL |
| cathodic dipping | kathodische Tauchlackierung |
| cathodic inhibition | kathodische Inhibition |
| cathodic pickling | kathodisches Beizen |
| Cathodic protection | Opferanode |
| cathodic protection system | kathodische Korrosionsschutzanlage |
| cathodic reaction | kathodische Reaktion |
| cathodic sputtering | Kathodenzerstäubung |
| cathodic stripping voltammetry , CSV | kathodische Inversvoltammetrie |
| cathodoluminescence | Kathodenlumineszenz |
| cathodoluminescence microscope | Kathodolumineszenzmikroskop |
| cathodophosphorescence | Kathodophosphoreszenz |
| catholic | allgemein |
| Catholic Apostolic Church | Katholisch-Apostolische Gemeinden |
| Catholic army chaplain | Feldkaplan |
| Catholic Boys | Die Himmelsstürmer |
| Catholic Church | Katholische Kirche |
| Catholic Church Congress | katholischer Kirchentag |
| Catholic Church in Croatia | Katholische Kirche in Kroatien |
| Catholic church music , CCM | katholische Kirchenmusik , KKM |
| Catholic culture | katholische Kultur |
| Catholic Diocese of Añatuya | Bistum Añatuya |
| Catholic Diocese of the Old Catholics in Germany | Altkatholische Kirche |
| Catholic Emancipation | Katholikenemanzipation |
| Catholic Encyclopedia | Catholic Encyclopedia |
| Catholic history | katholische Geschichte |
| Catholic League | Heilige Liga |
| Catholic marriage | Trauung |
| Catholic Monarchs | Katholische Könige |
| Catholic morals | katholische Morallehre |
| Catholic order | Liste der Ordenskürzel |
| Catholic sacraments | Sakrament |
| Catholic social teaching | Christliche Soziallehre |
| Catholic theology | katholische Theologie |
| Catholic University of Brussels | Katholische Universität Brüssel |
| Catholic University of Leuven | Katholische Universität Löwen |
| Catholic University of Louvain | Université catholique de Louvain |
| Catholic University of Portugal | Katholische Universität Portugal |
| Catholic-National Movement | Ruch Katolicko-Narodowy |
| Catholically | katholisch |
