3 verses have
“مُّلْكُ”
in Edition Uthmani / Saad (The letter Saad)
10:38أَمْ لَهُم مُّلْكُ ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ وَمَا بَيْنَهُمَا ۖ فَلْيَرْتَقُوا۟ فِى ٱلْأَسْبَٰبِ
20:38وَشَدَدْنَا مُلْكَهُۥ وَءَاتَيْنَٰهُ ٱلْحِكْمَةَ وَفَصْلَ ٱلْخِطَابِ
35:38قَالَ رَبِّ ٱغْفِرْ لِى وَهَبْ لِى مُلْكًۭا لَّا يَنۢبَغِى لِأَحَدٍۢ مِّنۢ بَعْدِىٓ ۖ إِنَّكَ أَنتَ ٱلْوَهَّابُ
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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