(س) عَمِلَ يَعْمَلُ عَمَلًاʿamila yaʿmalu ʿamalan: to work, to perform an act (mostly with intent and purpose, and specifically of human acts rather than of animals). ﴿فَمَنْ يَّعْمَلْ مِثْقَالَ ذَرَّةٍ خَيْرًا يَّرَهُۥ﴾ (Az-Zalzalah 99:7)
عَمَلٌʿamal pl. اَعْمَالٌaʿmāl (also a noun, ism dhāt): work, deed. ﴿لِيَبْلُوَكُمْ اَيُّكُمْ اَحْسَنُ عَمَلًا﴾ (Al-Mulk 67:2)
عَامِلٌʿāmil pl. عٰمِلُوْنَʿāmilūna (active participle, ism fāʿil): one who works, a doer; also an agent appointed over some task. ﴿عَامِلَةٌ نَّاصِبَةٌ﴾ (Al-Ghāshiyah 88:3); ﴿وَالْعٰمِلِيْنَ عَلَيْهَا﴾ (At-Tawbah 9:60)
مَعْمُوْلٌmaʿmūl (passive participle, ism mafʿūl): a deed done. (this word is not used in the Quran).
Form III (mufāʿalah) عَامَلَ يُعَامِلُ مُعَامَلَةًʿāmala yuʿāmilu muʿāmalatan: to deal with someone; to have dealings (this verb is not used in the Quran).
Form X (istifʿāl) اِسْتَعْمَلَ يَسْتَعْمِلُ اِسْتِعْمَالًاistaʿmala yastaʿmilu istiʿmālan: to put to use; to employ (this verb is not used in the Quran).