Declension of the word "wirksamkeit"

Singular and plural for Wirksamkeit, f, female declension     translation to English effectiveness, validity, efficacy

Singular
Plural
Singular
Nominativ (Wer? Was?)
die Wirksamkeit
die Wirksamkeiten
Genitiv (Wessen?)
der Wirksamkeit
der Wirksamkeiten
Dativ (Wem?)
der Wirksamkeit
den Wirksamkeiten
Akkusativ (Wen? Was?)
die Wirksamkeit
die Wirksamkeiten
Plural
die Wirksamkeiten
der Wirksamkeiten
den Wirksamkeiten
die Wirksamkeiten
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