• جُبّ

Appears 2 times in the Quran.

1. 12:10 قَالَ قَآئِلٌ مِّنْهُمْ لَا تَقْتُلُوا۟ يُوسُفَ وَأَلْقُوهُ فِى غَيَٰبَتِ ٱلْجُبِّ يَلْتَقِطْهُ بَعْضُ ٱلسَّيَّارَةِ إِن كُنتُمْ فَٰعِلِينَ

   A speaker from among them said: Do not slay Yusuf, and cast him down into the bottom of the pit if you must do (it), (so that) some of the travellers may pick him up.
   

2. 12:15 فَلَمَّا ذَهَبُوا۟ بِهِۦ وَأَجْمَعُوٓا۟ أَن يَجْعَلُوهُ فِى غَيَٰبَتِ ٱلْجُبِّ وَأَوْحَيْنَآ إِلَيْهِ لَتُنَبِّئَنَّهُم بِأَمْرِهِمْ هَٰذَا وَهُمْ لَا يَشْعُرُونَ

   So when they had gone off with him and agreed that they should put him down at the bottom of the pit, and We revealed to him: You will most certainly inform them of this their affair while they do not perceive.