conveyance vs heavy goods vehicle

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. 

heavy goods vehicle

noun
  • A lorry, truck or other large vehicle used to transport cargo with a total weight of at least 3.5 tonnes. 

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