Declension of the word "irrsinn"

Singular and plural for Irrsinn, m, strong declension     

Singular
Plural
Singular
Nominativ (Wer? Was?)
der Irrsinn
Genitiv (Wessen?)
des Irrsinnes / Irrsinns
Dativ (Wem?)
dem Irrsinn / Irrsinne
Akkusativ (Wen? Was?)
den Irrsinn
Plural
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