| Eukalyptus | eucalyptus |
| Eukalyptuswald | eucalyptus forest |
| Eukalyptusbonbon | cough drop |
| Eukaryote | eukaryote |
| Eukaryot | eukaryote |
| Vokalismus | vocalism |
| Apokalyptik | apocalypticism |
| Erkältung | cold |
| Kallus | callus |
| Kalmus | calamus sweet flag |
| erkalten | cool down |
| erkälten | catch a cold |
| Skulptur | sculpture |
| Duktus | flow |
| Kaktus | cactus |
| Kultus | cult |
| Euklid | Euclid |
| Leukozyt | leukocyte white blood cell |
| Dukat | ducat |
| Yukata | yukata |