foreign correspondent vs wireman

foreign correspondent

noun
  • A reporter or freelance journalist who is based in a foreign country, and who provides news reports and/or commentary from that place. 

wireman

noun
  • A person who sets up electronic surveillance. 

  • Someone who works with wire; primarily someone who connects electric wiring. 

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