peaceful vs unruffled

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. 

unruffled

adj
  • Calm, not ruffled, serene, at peace, unbothered. 

  • Not ruffled or tousled. 

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