This root form (lemma) is used in 2 different forms in the NT: συστροφὴν (AFS), συστροφῆς (GFS).
It is glossed in 2 different ways: ‘a disorderly_gathering’, ‘disorderly_gathering’.
OET ACTS 19:40 Greek word=συστροφῆς (sustrofaʸs) Morphology=GFS English gloss=‘disorderly_gathering’ SR GNT ACTS 19:40 word 24
OET ACTS 23:12 Greek word=συστροφὴν (sustrofaʸn) Morphology=AFS English gloss=‘a disorderly_gathering’ SR GNT ACTS 23:12 word 8