2 verses have
“doubt”
in Edition Clear Qur'an by Talal Itani / Qaaf (The letter Qaaf)
50:15Were We fatigued by the first creation? But they are in doubt of a new creation.
50:25Preventer of good, aggressor, doubter.
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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