conveyance vs freighter

conveyance

noun
  • A means of transporting, especially a vehicle. 

  • An instrument transferring title of an object from one person or group of persons to another. 

  • An act or instance of conveying. 

verb
  • To transfer (the title) of an object from one person or group of persons to another. 

freighter

noun
  • One for whom freight is transported. 

  • One employed in receiving and forwarding freight. 

  • An aircraft used mainly to carry freight; a cargo aircraft or cargo plane. 

  • A vessel used mainly to carry freight; a cargo ship. 

  • One who loads a ship, or one who charters and loads a ship. 

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