conveyor vs postman

conveyor

noun
  • A person that conveys, transports or delivers. 

  • March 8 2023, Chris Howe, “Building the platform for Old Oak Common's platforms”, in RAIL, number 978, page 60 

  • A mechanical arrangement for transporting material or objects, generally over short or moderate distances, as from one part of a building to another.#* 

  • Anything that conveys, transports or delivers. 

  • The 1.7 mile-long conveyor system was commissioned in November 2022, and will remove one million lorry movements from the roads around West London. 

postman

noun
  • someone who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes. 

  • One of the two most experienced barristers in the Court of Exchequer, who have precedence in motions, so called from the place where he sits, the other of the two being the tubman. 

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