Root س ل خ(s l x) has 3 unique word forms and appears 3 times in the Quran.

English gloss Strip, Skin, Detach, Pass, Withdraw, End of month, Abandon, Cast off

Word Translation Occurrences
فَٱنسَلَخَ but he detached 2
ٱنسَلَخَ have passed 2
نَسۡلَخُ We withdraw 2