interlocutor vs representative

interlocutor

noun
  • A person who takes part in dialogue or conversation. 

  • A man in the middle of the line in a minstrel show who questions the end men and acts as leader. 

  • A decree of a court. 

  • An interlocutory judgement or sentence. 

representative

noun
  • One who speaks for or acts on behalf of another in a particular (especially official) capacity. 

  • Someone who represents others as a member of a legislative or governing body. 

  • An heir. 

  • A member of a particular class. 

  • Something representing or standing for another; a symbol, an embodiment. 

  • A substitute or analogue. 

  • A company agent who visits potential purchasers; a salesman. 

  • Something (especially a living organism) regarded as typical of its class; a type. 

  • Specifically, a member of the United States House of Representatives. 

adj
  • Representing, showing a likeness. 

  • Typical; having the same properties or interest as a larger group. 

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