| Rekonvaleszentin | convalescent |
| Rekonvaleszent | convalescent |
| rekonvaleszent | convalescent |
| Rekonvaleszenz | convalescence |
| Rekonvaleszenzzeit | period of convalescence |
| Konvaleszenz | convalescence |
| Rektaszension | right ascension |
| Koaleszenz | coalescence |
| Rezensentin | reviewer |
| Rekonziliation | reconciliation |
| Kondeszendenz | condescension |
| Kongolesin | Congolese |
| Konkurrentin | competitor |
| Konstantin | Constantine |
| Kontrahentin | opponent rival counterparty |
| Konvention | convention |
| konvenient | convenient |
| konvergent | convergent |
| Valentin | Valentine |
| kovalent | covalent |