appeasement vs slap in the face

appeasement

noun
  • The state of being appeased; the policy of giving in to demands in order to preserve the peace. 

slap in the face

noun
  • Used other than figuratively or idiomatically: see slap, in, the, face. 

  • Something unexpectedly said or done which causes shock or offense; an insult, rebuke, or rebuff. 

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