| Kretikus | cretic |
| Kreis | circle district |
| Kretin | cretin |
| kretisch | Cretan |
| Emetikum | emetic |
| Kritik- | critical |
| Kritik | criticism critique |
| Kritiker | critic |
| Portikus | portico |
| Krokus | crocus |
| Kreation | creation |
| Kreterin | Cretan |
| Kreatur | creature wight |
| Krebs | crayfish crab cancer Cancer |
| Kredit | credit loan |
| Kreditor | creditor |
| Kreide | chalk Cretaceous crayon debt |
| Kreisel | pegtop whip-top whipping-top gyroscope gyro |
| Kreta | Crete |
| Kreter | Cretan |