conveyance vs parcel post

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. 

parcel post

noun
  • A postal service involving the shipping of parcels. 

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