Declension of the word "extension"

Singular and plural for Extension, f, female declension     translation to English extension

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