2 verses have
يَوْمٌ
in Edition Uthmani / Al-Muddaththir (The Cloaked One)

9:74فَذَٰلِكَ يَوْمَئِذٍۢ يَوْمٌ عَسِيرٌ

46:74وَكُنَّا نُكَذِّبُ بِيَوْمِ ٱلدِّينِ