convulsion vs disruption

convulsion and disruption both are nouns.

Word	Noun	Adjective	Verb	Adverb
convulsion	Yes	No	No	No
disruption	Yes	No	No	No

As nouns, disruption is a hypernym of convulsion; that is, disruption is a word with a broader meaning than convulsion:

Other hypernyms of convulsion include commotion, disturbance, flutter, hoo-ha, hoo-hah, hurly burly, kerfuffle, to-do.

convulsion (noun)	disruption (noun)
a physical disturbance such as an earthquake or upheaval	the act of causing disorder
violent uncontrollable contractions of muscles	an act of delaying or interrupting the continuity
a sudden uncontrollable attack	an event that results in a displacement or discontinuity
a violent disturbance	a disorderly outburst or tumult