(ف) سَأَلَ يَسْأَلُ سُؤَالًاsaʾala yasʾalu suʾālan: to ask; (1) to ask for something (2) to ask about something. Imperative (amr): اِسْأَلْisʾal and سَلْsal. ﴿يَسْـَٔلُوْنَكَ عَنِ الْاَهِلَّةِ﴾ (Al-Baqarah 2:189); ﴿سَلْ بَنِيْٓ اِسْرَآءِيْلَ﴾ (Al-Baqarah 2:211)
سُؤْلٌsuʾl (noun, ism dhāt): request; entreaty; the thing asked for. ﴿قَدْ اُوْتِيْتَ سُؤْلَكَ يٰمُوْسٰى﴾ (Ṭā Hā 20:36)
سَآئِلٌsāʾil (active participle, ism fāʿil): one who asks; a petitioner; an enquirer. ﴿وَاَمَّا السَّآئِلَ فَلَا تَنْهَرْ﴾ (Aḍ-Ḍuḥā 93:10)
مَسْـُٔوْلٌmasـٔwl (passive participle, ism mafʿūl): one who is asked; one who is called to account. ﴿اِنَّ الْعَهْدَ كَانَ مَسْـُٔوْلًا﴾ (Al-Isrāʾ 17:34)
Form VI (tafāʿul) تَسَآءَلَ يَتَسَآءَلُ تَسَآؤُلًاtasāʾala yatasāʾalu tasāʾulan: to ask one another. ﴿عَمَّ يَتَسَآءَلُوْنَ﴾ (An-Nabaʾ 78:1)