Root ر ج ز(r j z) has 4 unique word forms and appears 10 times in the Quran.

English gloss Uncleanness, Punishment, Sin, Unbelief

Word Translation Occurrences
رِجۡزٗا a punishment, a punishment, torment, torment 6
رِّجۡزٍ filth, foul nature, filth, foul nature 4
ٱلرِّجۡزَ the punishment, the punishment 4
رِجۡزَ evil (suggestions), evil (suggestions) 2
ٱلرِّجۡزُ the punishment, the punishment 2
وَٱلرُّجۡزَ And uncleanliness, And uncleanliness 2