fee simple absolute in possession vs leasehold

fee simple absolute in possession

noun

  • The unqualified and unrestricted ownership of an estate in land; freehold tenure. 

leasehold

noun

  • A leasehold estate in land. 

  • Real property held as an estate in land of this type. 

adj

  • Of an estate in land, held for a term of years absolute by a lessee or tenant. 

How often have the words fee simple absolute in possession and leasehold occurred in a corpus of books? (source: Google Ngram Viewer )