وَكَانُوا۟ يَنْحِتُونَ مِنَ ٱلْجِبَالِ بُيُوتًا ءَامِنِينَ
And they used to carve out from the mountains dwellings, feeling secure.
Roots in this verse: ك و ن (kwn), ن ح ت (nHt), ج ب ل (jbl), ب ي ت (byt), ا م ن (Amn)