Declension of the word "Biorhythmus"

Singular and plural for Biorhythmus, m, weak declension     translation to English biorhythm

Singular
Plural
Singular
Nominativ (Wer? Was?)
der Biorhythmus
die Biorhythmen
Genitiv (Wessen?)
des Biorhythmus
der Biorhythmen
Dativ (Wem?)
dem Biorhythmus
den Biorhythmen
Akkusativ (Wen? Was?)
den Biorhythmus
die Biorhythmen
Plural
die Biorhythmen
der Biorhythmen
den Biorhythmen
die Biorhythmen
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