2 verses have
“مُّسْتَمِرٌّۭ”
in Edition Uthmani / Al-Qamar (The Moon)
2:54وَإِن يَرَوْا۟ ءَايَةًۭ يُعْرِضُوا۟ وَيَقُولُوا۟ سِحْرٌۭ مُّسْتَمِرٌّۭ
19:54إِنَّآ أَرْسَلْنَا عَلَيْهِمْ رِيحًۭا صَرْصَرًۭا فِى يَوْمِ نَحْسٍۢ مُّسْتَمِرٍّۢ
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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