1 verse has
“schwerwiegende”
in Edition A. S. F. Bubenheim and N. Elyas / Ash-Shura (Consultation)
42:37und diejenigen, die schwerwiegende Sünden und Abscheulichkeiten meiden und, wenn sie zornig sind, (doch) vergeben,
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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