appeasement vs dovishness

appeasement

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

dovishness

noun
  • The state, quality, or condition of being dovish. 

  • The condition of being a dove, as opposed to a hawk. 

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