peaceful vs soothing

peaceful

adj
  • Inclined to peace. 

  • Motionless and calm. 

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

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

soothing

adj
  • Giving relief. 

  • Freeing from fear or anxiety. 

  • Tending to soothe. 

noun
  • The act by which somebody is soothed. 

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