beneficiary vs payer

beneficiary

adj
  • Holding some office or valuable possession, in subordination to another; holding under a feudal or other superior; having a dependent and secondary possession. 

  • Bestowed as a gratuity. 

noun
  • One who benefits or receives an advantage. 

  • One who benefits from the distribution, especially out of a trust or estate. 

  • One who benefits from the payout of an insurance policy. 

payer

noun
  • A swaption which gives its holder the option to enter into a swap in which they pay the fixed leg and receive the floating leg. 

  • One who pays; specifically, the person by whom a bill or note has been, or should be, paid. 

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