ش ک سsh-k-s
(س) شَكِسَ يَشْكَسُ شَكَاسَةًshakisa yashkasu shakāsatan: to be ill-tempered and quarrelsome, to be at odds with one another.
Form VI (tafāʿul) تَشَاكَسَ يَتَشَاكَسُ تَشَاكُسًاtashākasa yatashākasu tashākusan: to quarrel with one another, to pull against one another; مُتَشَاكِسُوْنَmutashākisūna (active participle, ism fāʿil). Only once in the Quran, in the parable of polytheism: ﴿رَّجُلًا فِيْهِ شُرَكَآءُ مُتَشٰكِسُوْنَ﴾ (Az-Zumar 39:29) — i.e. a slave who has several masters who quarrel among themselves.