| Nominative | Accusative | Dative | Genitive |
| No Article |
Schlüsselroman |
Schlüsselroman |
Schlüsselroman/Schlüsselromane |
Schlüsselromanes/Schlüsselromans |
| |
| Definite Article |
der Schlüsselroman |
den Schlüsselroman |
dem Schlüsselroman/Schlüsselromane |
des Schlüsselromanes/Schlüsselromans |
| |
| Indefinite Article |
ein Schlüsselroman |
einen Schlüsselroman |
einem Schlüsselroman/Schlüsselromane |
eines Schlüsselromanes/Schlüsselromans |
| |
Plural
No Article |
Schlüsselromane |
Schlüsselromane |
Schlüsselromanen |
Schlüsselromane |
| |
Plural
Definite Article |
die Schlüsselromane |
die Schlüsselromane |
den Schlüsselromanen |
der Schlüsselromane |
