1 verse has
“ٱلْمُطْمَئِنَّةُ”
in Edition Uthmani / Al-Fajr (The Dawn)
27:89يَٰٓأَيَّتُهَا ٱلنَّفْسُ ٱلْمُطْمَئِنَّةُ
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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