commotion vs convulsion

commotion

noun
  • An agitated disturbance or a hubbub. 

  • A state of turbulent motion. 

  • Sexual excitement. 

convulsion

noun
  • Violent turmoil. 

  • An uncontrolled fit, as of laughter; a paroxysm. 

  • An intense, paroxysmal, involuntary muscular contraction. 

How often have the words commotion and convulsion occurred in a corpus of books? (source: Google Ngram Viewer )