• أَحْقَاب
• حُقُب

Appears 2 times in the Quran.

1. 18:60 وَإِذْ قَالَ مُوسَىٰ لِفَتَىٰهُ لَآ أَبْرَحُ حَتَّىٰٓ أَبْلُغَ مَجْمَعَ ٱلْبَحْرَيْنِ أَوْ أَمْضِىَ حُقُبًا

   And when Musa said to his servant: I will not cease until I reach the junction of the two rivers or I will go on for years.
   

2. 78:23 لَّٰبِثِينَ فِيهَآ أَحْقَابًا

   Living therein for ages.