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

Word Translation Occurrences
ٱلۡفُسُوقُ (of) disobedience 2
فُسُوقَ wickedness 2
فُسُوقُۢ (is) sinful conduct 2
وَٱلۡفُسُوقَ and defiance 2