Lemma أَرْذَل has 3 unique word forms and appears 4 times in the Quran.

Word Translation Occurrences
أَرۡذَلِ the most abject, the worst 4
أَرَاذِلُنَا (are) the lowest of us 2
ٱلۡأَرۡذَلُونَ the lowest 2