G4682–σπαράσσω–sparassō

The unclean spirit, convulsing him and crying with a loud voice, came out of him.

σπαράξαν sparaxan “having thrown into convulsions”

Having cried out, and convulsed greatly, it came out of him. The boy became like one dead; so much that most of them said, "He is dead."

σπαράξας sparaxas “throwing into convulsions”

Behold, a spirit takes him, he suddenly cries out, and it convulses him so that he foams, and it hardly departs from him, bruising him severely.

σπαράσσει sparassei “it throws into convulsions”