3 verses have
سَقَرَ
in Edition Uthmani / Al-Muddaththir (The Cloaked One)

26:74سَأُصْلِيهِ سَقَرَ

27:74وَمَآ أَدْرَىٰكَ مَا سَقَرُ

42:74مَا سَلَكَكُمْ فِى سَقَرَ