1 verse has
“neun”
in Edition A. S. F. Bubenheim and N. Elyas / Al-Kahf (The Cave)
18:25Und sie verweilten in ihrer Höhle dreihundert Jahre und noch neun dazu.
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Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274