Root ف ح ش(f H $) has 8 unique word forms and appears 24 times in the Quran.

English gloss Obscene, Crime, Atrocity, Adultery, Excessive

Word Translation Occurrences
بِفَٰحِشَةٖ adultery, an immorality, immorality 8
ٱلۡفَٰحِشَةَ the immorality, (such) immorality, [the] immorality 8
فَٰحِشَةٗ an immorality, immorality 6
ٱلۡفَوَٰحِشَ the shameful deeds, [the] immoralities 4
ٱلۡفَحۡشَآءِ the immorality 4
وَٱلۡفَوَٰحِشَ and the immoralities 4
بِٱلۡفَحۡشَآءِۖ immorality, to immorality 4
بِٱلۡفَحۡشَآءِ the immorality 2
فَٰحِشَةً immorality 2
ٱلۡفَٰحِشَةُ the immorality 2
وَٱلۡفَحۡشَآءَۚ and the immorality 2
وَٱلۡفَحۡشَآءِ and the shameful 2