The word(s) "chief" appears 48 time(s) in 46 verse(s) in Quran in Muhammad Pickthal translation.

(41) And Pharaoh said: O chiefs! I know not that ye have a god other than me, so kindle for me (a fire), O Haman, to bake the mud; and set up for me a lofty tower in order that I may survey the god of Moses; and lo! I deem him of the liars.

(42) And unto Midian We sent Shu'eyb, their brother. He said: O my people! Serve Allah, and look forward to the Last Day, and do not evil, making mischief, in the earth.

(43) They cannot listen to the Highest chiefs for they are pelted from every side,

(44) The chiefs among them go about, exhorting: Go and be staunch to your gods! Lo! this is a thing designed.

(45) I had no knowledge of the Highest chiefs when they disputed;

(46) And verily We sent Moses with Our revelations unto Pharaoh and his chiefs, and he said: I am a messenger of the Lord of the Worlds.