synergy vs unanimity

synergy

noun
  • Benefits resulting from combining different groups, people, objects or processes. 

  • The cooperation of two or more nerves, muscles, organs, etc. 

  • A synonym of binding energy. 

  • The combined action of two or more drugs where the effects are stronger than their mere sum. 

unanimity

noun
  • The condition of agreement by all parties, the state of being unanimous. 

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