correspondent vs reviewer

correspondent

noun
  • Someone who communicates with another person, or a publication, by writing. 

  • Someone who or something which corresponds. 

  • A journalist who sends reports back to a newspaper or radio or television station from a distant or overseas location. 

adj
  • Corresponding; suitable; adapted; congruous. 

  • Conforming; obedient. 

reviewer

noun
  • A person who writes reviews for a newspaper or other publication; a critic. 

  • An inspector. 

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