| Katachrese | catachresis |
| Katechese | catechesis |
| Klatschrose | corn poppy |
| Antichrese | antichresis |
| Katalexe | catalexis |
| Katalyse | catalysis |
| Kataphrakt | cataphract |
| Katarer | Qatari |
| Katechet | catechist |
| Katechumene | catechumen |
| Kathete | cathetus |
| Kätzchen | kitten kitty catkin |
| A-Achse | longitudinal roll axis A-axis |
| Kasache | Kazakh Kazak |
| Sprachreise | language holiday |
| paraphrene | paraphrenic |
| Anaphorese | anaphoresis |
| Metathese | metathesis |
| Katarerin | Qatari |
| Katarr | catarrh |