2 verses have
“wohlverwahrten”
in Edition A. S. F. Bubenheim and N. Elyas / Al-Waaqia (The Inevitable)
56:23gleich wohlverwahrten Perlen.
56:78in einem wohlverwahrten Buch,
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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