displeasure vs placation

displeasure

noun
  • A feeling of being displeased with something or someone; dissatisfaction; disapproval. 

  • That which displeases; cause of irritation or annoyance; offence; injury. 

  • A state of disgrace or disfavour. 

placation

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

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