وَلَقَدْ كَانُوا۟ عَٰهَدُوا۟ ٱللَّهَ مِن قَبْلُ لَا يُوَلُّونَ ٱلْأَدْبَٰرَ وَكَانَ عَهْدُ ٱللَّهِ مَسْـُٔولًا
And they had indeed pledged to Allah before that they would not turn their backs, and the pledge to Allah is something to be asked about.
Roots in this verse: ك و ن (kwn), ع ه د (Ehd), ا ل ه (Alh), ق ب ل (qbl), و ل ي (wly), د ب ر (dbr), س ا ل (sAl)