لفف
 
Appears 3 times in the Quran.
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17:104 وَقُلْنَا مِنۢ بَعْدِهِۦ لِبَنِىٓ إِسْرَٰٓءِيلَ ٱسْكُنُوا۟ ٱلْأَرْضَ فَإِذَا جَآءَ وَعْدُ ٱلْءَاخِرَةِ جِئْنَا بِكُمْ لَفِيفًاAnd We said to the Israelites after him: Dwell in the land: and when the promise of the next life shall come to pass, we will bring you both together in judgment. 
 
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And affliction is combined with affliction; 
 
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And gardens dense and luxuriant.