What is another word for convulsion?
Pronunciation: [kənvˈʌlʃən] (IPA) 
Convulsion refers to a sudden, violent, and involuntary contraction of muscles, often accompanied by symptoms such as loss of consciousness, shaking, and tremors. Synonyms for convulsion include seizure, spasm, fit, attack, paroxysm, tremor, shaking, shuddering, jerking, and cramp. These terms are often used interchangeably to describe sudden and involuntary movements of muscles. Seizure is commonly used to describe episodes of abnormal brain activity that result in convulsions or other symptoms, while spasm and cramp are generally used to describe a sudden, painful, and involuntary contraction of muscles. Paroxysm is used to describe sudden and intense bursts of symptoms, such as pain or laughter, while tremor and shaking refer specifically to involuntary trembling or shaking movements.
