3 verses have
فَسَوْفَ
in Edition Uthmani / As-Saaffaat (Those drawn up in Ranks)

170:37فَكَفَرُوا۟ بِهِۦ ۖ فَسَوْفَ يَعْلَمُونَ

175:37وَأَبْصِرْهُمْ فَسَوْفَ يُبْصِرُونَ

179:37وَأَبْصِرْ فَسَوْفَ يُبْصِرُونَ