dovishness vs peace offering

dovishness

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

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

peace offering

noun
  • A religious sacrifice. 

  • An offering or concession made to an adversary in the hope of obtaining peace or reconciliation; an olive branch. 

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