malcontent vs peaceful

malcontent

adj
  • Dissatisfied with current conditions; disaffected, discontented, rebellious. 

noun
  • A person who is not satisfied with current conditions; a discontented person, a rebel. 

peaceful

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

adj
  • Motionless and calm. 

  • Inclined to peace. 

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

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