1 verse has
وَطْـًۭٔا
in Edition Uthmani / Al-Muzzammil (The Enshrouded One)

6:73إِنَّ نَاشِئَةَ ٱلَّيْلِ هِىَ أَشَدُّ وَطْـًۭٔا وَأَقْوَمُ قِيلًا