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

8:74فَإِذَا نُقِرَ فِى ٱلنَّاقُورِ

33:74وَٱلَّيْلِ إِذْ أَدْبَرَ

34:74وَٱلصُّبْحِ إِذَآ أَسْفَرَ