1 verse has
“يتطهرون”
in Edition Simple Clean / Al-A'raaf (The Heights)
82:7وما كان جواب قومه إلا أن قالوا أخرجوهم من قريتكم ۖ إنهم أناس يتطهرون
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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