convulsive vs peaceful

convulsive

adj
  • Marked by or having the nature of convulsions. 

  • Having or producing convulsions. 

peaceful

adj
  • Motionless and calm. 

  • Inclined to peace. 

  • Not at war; not disturbed by strife or turmoil. 

noun
  • a Muslim; especially a violent member of a radical Islamist group. 

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