corban vs peace offering

corban

noun
  • An offering to God, especially in fulfilment of a vow. 

  • An alms basket; a vessel to receive gifts of charity; a treasury of the church, where offerings are deposited. 

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 corban and peace offering occurred in a corpus of books? (source: Google Ngram Viewer )