Word by Word Analysis

فَبَدَّلَ ٱلَّذِينَ ظَلَمُوا۟ قَوْلًا غَيْرَ ٱلَّذِى قِيلَ لَهُمْ فَأَنزَلْنَا عَلَى ٱلَّذِينَ ظَلَمُوا۟ رِجْزًا مِّنَ ٱلسَّمَآءِ بِمَا كَانُوا۟ يَفْسُقُونَ 59

But those who wronged changed [those words] to a statement other than that which had been said to them, so We sent down upon those who wronged a punishment [i.e., plague] from the sky because they were defiantly disobeying.