Declension of the word "grundstein"

Singular and plural for Grundstein, m, strong declension     translation to English foundation-stone, groundwork

Singular
Plural
Singular
Nominativ (Wer? Was?)
der Grundstein
die Grundsteine
Genitiv (Wessen?)
des Grundsteines / Grundsteins
der Grundsteine
Dativ (Wem?)
dem Grundstein / Grundsteine
den Grundsteinen
Akkusativ (Wen? Was?)
den Grundstein
die Grundsteine
Plural
die Grundsteine
der Grundsteine
den Grundsteinen
die Grundsteine
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