| Nominative | Accusative | Dative | Genitive |
| No Article |
Schlüsselbrett |
Schlüsselbrett |
Schlüsselbrett/Schlüsselbrette |
Schlüsselbrettes/Schlüsselbretts |
| |
| Definite Article |
das Schlüsselbrett |
das Schlüsselbrett |
dem Schlüsselbrett/Schlüsselbrette |
des Schlüsselbrettes/Schlüsselbretts |
| |
| Indefinite Article |
ein Schlüsselbrett |
ein Schlüsselbrett |
einem Schlüsselbrett/Schlüsselbrette |
eines Schlüsselbrettes/Schlüsselbretts |
| |
Plural
No Article |
Schlüsselbretter |
Schlüsselbretter |
Schlüsselbrettern |
Schlüsselbretter |
| |
Plural
Definite Article |
die Schlüsselbretter |
die Schlüsselbretter |
den Schlüsselbrettern |
der Schlüsselbretter |
