Stem فَعَلُ has 2 unique word forms and appears 9 times in the Quran.

Word Translation Occurrences
فَعَلُواْ had done, they did, they do 8
فَعَلُوهُ they did, they would have done it 4
فَعَلُوهُۖ (would) they have done so, they (would) have done it 4
فَعَلُوهُۚ they did [it] 2