heritor vs leaser

heritor

noun
  • A person who inherits; an heir or heiress. 

  • A proprietor or landholder in a parish. 

leaser

noun
  • Leaseman. 

  • One who leases or gleans; lessor. 

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