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v. Simple past tense and past participle of convulse.

"Though the weather was cool and the night tempestuous, he had thrown aside his pea-jacket, with most of his disguise, and was sitting ruefully on his blanket, wiping, with one hand, the large drops of sweat from his forehead, and occasionally grasping his throat with the other, with a kind of convulsed mechanical movement."

convulsed    convulses    convulsing   

laugh    express mirth    express joy    compress    press   

convulsion    convulsant    convulsive   

tear    shake    rend    agitate    disturb   

vivocity    called?    mad    mole-like    deep