Epilepsy is a neurological disorder characterized by recurrent seizures. It is also known as a seizure disorder. The three crossword solutions for the term epilepsy are SPASM (5 letters), CONVULSION (10 letters), and FIT (3 letters). SPASM is an involuntary contraction of a muscle or group of muscles, while CONVULSION is a violent, involuntary contraction of the body's muscles. A FIT is a sudden attack of any kind, such as a seizure or a SPASM. All three terms are related to epilepsy, as they are all symptoms of the disorder.