peacebuilding vs placation

peacebuilding

noun
  • The creation of peace or the conditions for peace. 

  • The reconstruction of physical and societal institutions after a conflict 

placation

noun
  • A process or act of placating; appeasement or an expression of appeasement. 

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