1 verse has
“kekekalan”
in Edition Unknown / Qaaf (The letter Qaaf)
50:34masukilah surga itu dengan aman, itulah hari kekekalan.
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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