ص ع قṣ-ʿ-q
(ف) صَعَقَ يَصْعَقُ صَاعِقَةًṣaʿaqa yaṣʿaqu ṣāʿiqatan: (of lightning) to strike; to strike down.
(س) صَعِقَ يَصْعَقُ صَعَقًاṣaʿiqa yaṣʿaqu ṣaʿaqan: (of a terrible blast) to occur; to die from the sound of thunder, to fall senseless. ﴿وَنُفِخَ فِي الصُّوْرِ فَصَعِقَ مَنْ فِي السَّمٰوٰتِ وَمَنْ فِي الْاَرْضِ﴾ (Az-Zumar 39:68)
صَعِقٌṣaʿiq (adjective): dead, senseless. ﴿وَخَرَّ مُوْسٰى صَعِقًا﴾ (Al-Aʿrāf 7:143)
صَاعِقَةٌṣāʿiqah pl. صَوَاعِقُṣawāʿiqu: thunderclap, thunderbolt, a dreadful punishment. ﴿فَاَخَذَتْكُمُ الصّٰعِقَةُ﴾ (Al-Baqarah 2:55); ﴿مِّنَ الصَّوَاعِقِ حَذَرَ الْمَوْتِ﴾ (Al-Baqarah 2:19)