وَفَعَلْتَ فَعْلَتَكَ ٱلَّتِى فَعَلْتَ وَأَنتَ مِنَ ٱلْكَٰفِرِينَ
And you committed your deed which you committed, while you were among the deniers.
Roots in this verse: ف ع ل (fEl), ك ف ر (kfr)