G4963–συστροφή–sustrophē

For, truly, we are in danger of being made responsible for this day's trouble, there being no cause for it: and we are not able to give any reason for this coming together. And when he had said this, he sent the meeting away.

συστροφῆς sustrophēs “commotion”

And when it was day, the Jews came together and put themselves under an oath that they would take no food or drink till they had put Paul to death.

συστροφὴν sustrophēn “a conspiracy”