(ض) كَلَّ يَكِلُّ كَلًّا وَكَلَالًاkalla yakillu kallan wa-kalālan (original form: كَلَلَ يَكْلِلُkalala yaklilu): (1) to become tired (from excessive work) (2) (of a deceased person) to leave neither father nor child (this verb is not used in the Quran).
كَلٌّkall (noun, ism dhāt): a wearisome thing, a burden. ﴿وَهُوَ كَلٌّ عَلٰى مَوْلٰىهُ﴾ (An-Naḥl 16:76)
كَلٰلَةٌkalālah (noun, ism dhāt): a deceased person who leaves neither a living father nor any child; also the heirs of such a person. ﴿قُلِ اللّٰهُ يُفْتِيْكُمْ فِي الْكَلٰلَةِ﴾ (An-Nisāʾ 4:176)
كُلٌّkull (noun always in annexation): all of them, every one. ﴿كُلُّ نَفْسٍ ذَآئِقَةُ الْمَوْتِ﴾ (Āl ʿImrān 3:185)
كُلَّمَاkullamā (كُلّkull + the adverbial mā): gives the sense of repetition of the circumstance: whenever, every time that. ﴿كُلَّمَا رُزِقُوْا مِنْهَا مِنْ ثَمَرَةٍ رِّزْقًا﴾ (Al-Baqarah 2:25)
كَلَّاkallā (particle of rebuke, ḥarf radʿ): by no means — for the complete negation of a statement and a rebuke; some of the lexicographers have connected it to this root. ﴿كَلَّا سَوْفَ تَعْلَمُوْنَ﴾ (At-Takāthur 102:3)