(ض) كَالَ يَكِيْلُ كَيْلًاkāla yakīlu kaylan (original form: كَيَلَ يَكْيِلُkayala yakyilu): to measure grain etc. with a measure; to give by measure. ﴿وَاِذَا كَالُوْهُمْ اَوْ وَّزَنُوْهُمْ يُخْسِرُوْنَ﴾ (Al-Muṭaffifīn 83:3)
كَيْلٌkayl (verbal noun, maṣdar; also a noun, ism dhāt): measure, a measure. ﴿وَاَوْفُوا الْكَيْلَ وَالْمِيْزَانَ﴾ (Al-Anʿām 6:152); ﴿ذٰلِكَ كَيْلٌ يَّسِيْرٌ﴾ (Yūsuf 12:65)
مِكْيَالٌmikyāl (noun of instrument, ism ālah, on the pattern of مِفْعَالٌmifʿāl): a measuring instrument, a measure. ﴿وَلَا تَنْقُصُوا الْمِكْيَالَ وَالْمِيْزَانَ﴾ (Hūd 11:84)
Form VIII (iftiʿāl) اِكْتَالَ يَكْتَالُ اِكْتِيَالًاiktāla yaktālu iktiyālan: to take by measure for oneself. ﴿الَّذِيْنَ اِذَا اكْتَالُوْا عَلَي النَّاسِ يَسْتَوْفُوْنَ﴾ (Al-Muṭaffifīn 83:2); ﴿فَاَرْسِلْ مَعَنَآ اَخَانَا نَكْتَلْ﴾ (Yūsuf 12:63)