فَإِنْ خِفْتُمْ فَرِجَالًا أَوْ رُكْبَانًا فَإِذَآ أَمِنتُمْ فَٱذْكُرُوا۟ ٱللَّهَ كَمَا عَلَّمَكُم مَّا لَمْ تَكُونُوا۟ تَعْلَمُونَ
And if you are afraid, then (pray) on foot or mounted; and when you are safe, then remember Allah as He has taught you what you had not been knowing.
Roots in this verse: خ و ف (xwf), ر ج ل (rjl), ر ك ب (rkb), ا م ن (Amn), ذ ك ر (*kr), ا ل ه (Alh), ع ل م (Elm), ك و ن (kwn)