| Nominative | kurfirst |
| Genitive | kurfirsta |
| Dative | kurfirstovi |
| Accusative | kurfirsta |
| Locative | kurfirstovi |
| Instrumental | kurfirstom |
| Nominative | kurfirsti |
| Genitive | kurfirstov |
| Dative | kurfirstom |
| Accusative | kurfirstov |
| Locative | kurfirstoch |
| Instrumental | kurfirstmi; kurfirstami |