SORCERY כשפים: I'm not sure why, but Israel Today has an article on sorcery and magic in ancient Judaism and the New Testament:

SORCERY כשפים
Sorcery, in Hebrew keshafim and Biblical Hebrew nachash (Numbers 23:23), is the same as magic or the “black arts.” Using sorcery, people try to control or dominate nature through all kinds of customs, ceremonies and sacrifices, and then use it for their own purposes. Along with the acquisition of power, belief in spirits plays the most important role in sorcery.

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