He frowned 80:17

Ranked by the Jaccard overlap of the two verses’ root sets — shared roots over combined roots — after removing a stoplist of ubiquitous roots. The score is shown; the shared roots are listed so you can see exactly what drove it.

1. The Pilgrimage 22:660.40
   أ ن سك ف ر
2. The Dunes 46:60.33
   أ ن سك ف ر
3. The Disbelievers 109:10.33
   ك ف ر
4. Mankind 114:30.33
   أ ن س
5. Those drawn up in Ranks 37:1700.33
   ك ف ر
6. The Clot 96:50.33
   أ ن س
7. The Earthquake 99:30.33
   أ ن س
8. Hud 11:90.29
   أ ن سك ف ر