disruption vs serenity

disruption

noun
  • An interruption to the regular flow or sequence of something. 

  • A continuing act of disorder. 

  • A breaking or bursting apart; a breach. 

serenity

noun
  • A lack of agitation or disturbance. 

  • The state of being serene; calmness; peacefulness. 

  • A title given to a reigning prince or similar dignitary. 

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