أَفَمَن كَانَ مُؤْمِنًا كَمَن كَانَ فَاسِقًا لَّا يَسْتَوُۥنَ
So is one who has been a believer like one who has been a deviator? They are not equal.
Roots in this verse: ك و ن (kwn), ا م ن (Amn), ف س ق (fsq), س و ي (swy)