3 verses have
“Expert”
in Edition Clear Qur'an by Talal Itani / Al-An'aam (The Cattle)
6:18He is the Supreme over His servants. He is the Wise, the Expert.
6:73It is He who created the heavens and the earth in truth. On the Day when He says: “Be,” it will be. His saying is the truth, and His is the sovereignty on the Day when the trumpet is blown. The Knower of secrets and declarations. He is the Wise, the Expert.
6:103No vision can grasp Him, but His grasp is over all vision. He is the Subtle, the Expert.
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Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274