Root ط ه ر(T h r) has 22 unique word forms and appears 31 times in the Quran.

English gloss Clean, Pure, Chaste, Virtuous, Purge

Word Translation Occurrences
مُّطَهَّرَةٞۖ pure, purified 4
يَتَطَهَّرُونَ who keep clean and pure, who keep themselves pure 4
وَأَطۡهَرُۚ and more purer, and purer 4
أَطۡهَرُ (are) purer, (is) purer 4
طَهِّرَا [You both] purify 2
طَهُورًا pure 2
طَهُورٗا pure 2
فَطَهِّرۡ purify 2
فَٱطَّهَّرُواْۚ then purify yourselves 2
ٱلۡمُتَطَهِّرِينَ those who purify themselves 2
ٱلۡمُطَهَّرُونَ the purified 2
ٱلۡمُطَّهِّرِينَ the ones who purify themselves 2
لِيُطَهِّرَكُمۡ to purify you 2
لِّيُطَهِّرَكُم so that He may purify you 2
مُّطَهَّرَةِۭ purified 2
مُّطَهَّرَةٗ purified 2
مُّطَهَّرَةٞ pure 2
وَطَهِّرۡ and purify 2
وَطَهَّرَكِ and purified you 2
وَمُطَهِّرُكَ and purify you 2
وَيُطَهِّرَكُمۡ And to purify you 2
يَتَطَهَّرُواْۚ purify themselves 2
يُطَهِّرَ He purifies 2
يَطۡهُرۡنَۖ they are cleansed 2
تَطَهَّرۡنَ they are purified 2
تُطَهِّرُهُمۡ purifying them 2
تَطۡهِيرٗا (with thorough) purification 2