liaison vs synergy

liaison

noun
  • Any person who relays information between two groups or organizations. 

  • The pronunciation of a normally silent final consonant when the next word begins with a vowel. 

  • Communication between two parties or groups. 

  • Co-operation, working together. 

  • A relayer of information between two forces in an army or during war. 

  • Fusion of two consecutive words and the manner in which this occurs. 

  • A tryst, romantic meeting. 

  • An illicit sexual relationship or affair. 

verb
  • To liaise. 

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. 

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