Root ث ق ل(v q l) has 15 unique word forms and appears 28 times in the Quran.

English gloss Weight, heavy, Humans and Jinn's

Word Translation Occurrences
مِثۡقَالَ (as much as) weight, (equal to the) weight, weight, (the) weight 12
ثَقُلَتۡ (are) heavy, It lays heavily, (will be) heavy 8
مُّثۡقَلُونَ (are) burdened, (are) overburdened 4
أَثۡقَالِهِمۡۖ their burdens 2
أَثۡقَلَت she grows heavy 2
ٱثَّاقَلۡتُمۡ you cling heavily 2
ثِقَالٗا heavy 2
ثَقِيلًا heavy 2
ثَقِيلٗا grave 2
ٱلثِّقَالَ the heavy 2
ٱلثَّقَلَانِ two classes 2
مِثۡقَالُ (the) weight 2
مِّثۡقَالِ (the) weight 2
مُثۡقَلَةٌ a heavily laden 2
وَأَثۡقَالٗا and burdens 2
أَثۡقَالَكُمۡ your loads 2
وَثِقَالٗا or heavy 2
أَثۡقَالَهَا its burdens 2
أَثۡقَالَهُمۡ their burdens 2