NT-GOSPEL.filter - riversident convulses:

riversident@Mark:9:18 @ and whenever it attacks him it convulses him and he foams at the mouth and grinds his teeth. He is wasting away. I asked your disciples to cast it out, but they had not the power."

riversident@Luke:9:39 @ and see, a spirit seizes him and all at once he shrieks. It convulses him till he foams and it hardly leaves off tormenting him.