2 verses have
“certainty”
in Edition Clear Qur'an by Talal Itani / At-Takaathur (Competition)
102:5If you knew with knowledge of certainty.
102:7Then you will see it with the eye of certainty.
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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