interposition vs peacebuilding

interposition

noun
  • The thing interposed. 

  • The act of interposing, or the state of being interposed; a being, placing, or coming between; mediation. 

peacebuilding

noun
  • The reconstruction of physical and societal institutions after a conflict 

  • The creation of peace or the conditions for peace. 

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