• أَوْتَاد

Appears 3 times in the Quran.

1. 38:12 كَذَّبَتْ قَبْلَهُمْ قَوْمُ نُوحٍ وَعَادٌ وَفِرْعَوْنُ ذُو ٱلْأَوْتَادِ

   The people of Nuh and Ad, and Firon, the lord of spikes, rejected (messengers) before them.
   

2. 78:7 وَٱلْجِبَالَ أَوْتَادًا

   And the mountains as projections (thereon)?
   

3. 89:10 وَفِرْعَوْنَ ذِى ٱلْأَوْتَادِ

   And (with) Firon, the lord of hosts,