• أُخْدُود
• خَدّكَ

Appears 2 times in the Quran.

1. 31:18 وَلَا تُصَعِّرْ خَدَّكَ لِلنَّاسِ وَلَا تَمْشِ فِى ٱلْأَرْضِ مَرَحًا إِنَّ ٱللَّهَ لَا يُحِبُّ كُلَّ مُخْتَالٍ فَخُورٍ

   And do not turn your face away from people in contempt, nor go about in the land exulting overmuch; surely Allah does not love any self-conceited boaster;
   

2. 85:4 قُتِلَ أَصْحَٰبُ ٱلْأُخْدُودِ

   Cursed be the makers of the pit,