Declension of the word "effizienz"

Singular and plural for Effizienz, f, female declension     translation to English efficiency, effectiveness

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