• ثُبُور
• مَثْبُور

Appears 4 times in the Quran.

1. 17:102 قَالَ لَقَدْ عَلِمْتَ مَآ أَنزَلَ هَٰٓؤُلَآءِ إِلَّا رَبُّ ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ بَصَآئِرَ وَإِنِّى لَأَظُنُّكَ يَٰفِرْعَوْنُ مَثْبُورًا

   He said: Truly you know that none but the Lord of the heavens and the earth has sent down these as clear proof and most surely I believe you, O Firon, to be given over to perdition.
   

2. 25:13 وَإِذَآ أُلْقُوا۟ مِنْهَا مَكَانًا ضَيِّقًا مُّقَرَّنِينَ دَعَوْا۟ هُنَالِكَ ثُبُورًا

   And when they are cast into a narrow place in it, bound, they shall there call out for destruction.
   

3. 25:14 لَّا تَدْعُوا۟ ٱلْيَوْمَ ثُبُورًا وَٰحِدًا وَٱدْعُوا۟ ثُبُورًا كَثِيرًا

   Call not this day for one destruction, but call for destructions many.
   

4. 84:11 فَسَوْفَ يَدْعُوا۟ ثُبُورًا

   He shall call for perdition,