Root ر د ي(r d y) has 6 unique word forms and appears 6 times in the Quran.

Word Translation Occurrences
أَرۡدَىٰكُمۡ It has ruined you, It has ruined you 2
تَرَدَّىٰٓ he falls, he falls 2
فَتَرۡدَىٰ lest you perish, lest you perish 2
لَتُرۡدِينِ ruined me, ruined me 2
لِيُرۡدُوهُمۡ so that they may ruin them, so that they may ruin them 2
وَٱلۡمُتَرَدِّيَةُ and that which has a fatal fall, and that which has a fatal fall 2