1 verse has
“واختلاف”
in Edition Simple Clean / Aal-i-Imraan (The Family of Imraan)
190:3إن في خلق السماوات والأرض واختلاف الليل والنهار لآيات لأولي الألباب
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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