Why is it die Konditorei?

Konditorei ends in -ei, and almost all nouns ending in -ei are feminine: in a German dictionary, 91% of them take die.

All nouns ending in -ei
Sense 1
die

Meaning

[1] Business operation for the production of cakes, pies and cookies

[1] Gewerbefachbetrieb zur Herstellung von Kuchen, Torten und Plätzchen

Examples

[1] I'll go fast to the confectionery next door and buy tartels

[1] Ich geh' mal schnell in die Konditorei nebenan und kaufe Törtchen.

[1] "Every day I sit in the small pastry shop opposite the theater and wait for you" [2]

[1] „Jeden Tag sitze ich in der kleinen Konditorei gegenüber dem Theater und warte auf sie.“[2]
More source examples (1)

These dictionary examples can include historical and less common uses.

[1] "We then went to the pastry shop, and there were many cakes and pies in a long showcase" [3]

[1] „Wir gingen dann in die Konditorei, und es gab dort sehr viele Kuchen und Torten in einer langen Vitrine.“[3]

Declension

1 Singular Plural
Nominativ die Konditorei die Konditoreien
Genitiv der Konditorei der Konditoreien
Dativ der Konditorei den Konditoreien
Akkusativ die Konditorei die Konditoreien

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary