lessee vs owner-occupier

lessee

noun
  • An individual or a corporation who has the right of use of something of value, gained through a lease agreement with the real owner of the property. 

  • Someone who is allowed to use a house, building, land etc. for a period of time in return for payment to the owner. 

  • The entity to whom a lease is given, or who takes an estate by lease. 

owner-occupier

How often have the words lessee and owner-occupier occurred in a corpus of books? (source: Google Ngram Viewer )