The verbs of perception and memory.

• رَأَى
  he saw

  raʾā

  verb · 271×
• سَمِعَ
  he heard

  samiʿa

  verb · 78×
• عَلِمَ
  he knew

  ʿalima

  verb · 382×
• عِلْم
  knowledge

  ʿilm

  noun · 105×
• نَظَرَ
  he looked

  naẓara

  verb · 87×
• عَقَلَ
  he understood

  ʿaqala

  verb · 49×
• ذَكَرَ
  he remembered

  dhakara

  verb · 84×
• نَسِيَ
  he forgot

  nasiya

  verb · 35×