landlord vs leaseholder

landlord

noun
  • A person that leases real property; a lessor. 

  • A shark, imagined as the owner of the surf to be avoided. 

  • The owner or manager of a public house. 

leaseholder

noun
  • A person who is tenant by holding a lease; a lessee. 

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