1 verse has
“class”
in Edition Clear Qur'an by Talal Itani / Al-Hijr (The Rock)
15:44“It has seven doors; for each door is an assigned class.”
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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