meeting of the minds vs settlement agreement

meeting of the minds

noun
  • An agreement, especially one resulting from a gathering in which discussion or negotiation took place. 

settlement agreement

noun
  • A contractual agreement between parties to actual or potential litigation by which each party agrees to a resolution of the underlying dispute. 

How often have the words meeting of the minds and settlement agreement occurred in a corpus of books? (source: Google Ngram Viewer )