1 verse has
“لكفور”
in Edition Simple Clean / Az-Zukhruf (Ornaments of gold)
15:43وجعلوا له من عباده جزءا ۚ إن الإنسان لكفور مبين
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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