Cryptanalysis of frequency

The highest density of uses of the root qāf rā hamza, falls on Surah 7 ("Al-Isra") - 16 times (16 times per 111 ayats).

In the 2nd (largest) surah of the Quran - "The Cow" (" Al-Bakara "), the root qāf rā hamza (ق ر أ), occurs twice: (2:185) and (2:228);

In the 96th (first, in the chronology of the revelation) surah of the Quran - (" Al-Alak ")", the root qāf rā hamza (ق ر أ), occurs twice: (96:1) and (96:3);