| Kardinaldekan | Dean of the College of Cardinals Dean of the Sacred College of Cardinals |
| Kardinalvikar | Cardinal Vicar |
| Kardinale | cardinal numeral |
| Kardinalat | cardinalate |
| Kardinalität | cardinality |
| Kardinalrot | cardinal |
| kardinalrot | cardinal |
| Kardinal | cardinal |
| kardinal | cardinal |
| Kardinaltugend | cardinal virtue |
| Kardinalzahl | cardinal number cardinal numeral |
| Cardinale | cardinal numeral |
| Kardioide | cardioid |
| Kardiologin | cardiologist |
| Kartenlegen | cartomancy |
| Kartenlesen | cartomancy |
| Karzinogen | carcinogen |
| karzinogen | carcinogenic |
| Karateka | karateka |
| Karnataka | Karnataka |