interlocutor vs term of address

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. 

term of address

noun
  • A word or phrase used to address or refer to someone or something without using his, her, or its name. 

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