Origin: Latin suffix -sion
Convulsion has 5 different meanings across 1 category:
a sudden uncontrollable attack
"a paroxysm of giggling"
"a fit of coughing"
"convulsions of laughter"
violent uncontrollable contractions of muscles
a physical disturbance such as an earthquake or upheaval
An intense, paroxysmal, involuntary muscular contraction.