1 verse has
“vertraulichen”
in Edition A. S. F. Bubenheim and N. Elyas / At-Tawba (The Repentance)
9:78Wissen sie denn nicht, daß Allah ihr Geheimes und ihre vertraulichen Gespräche kennt und daß Allah der Allwisser der verborgenen Dinge ist?
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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