1 verse has
مُّثْقَلُونَ
in Edition Uthmani / At-Tur (The Mount)

40:52أَمْ تَسْـَٔلُهُمْ أَجْرًۭا فَهُم مِّن مَّغْرَمٍۢ مُّثْقَلُونَ