bank account vs pay-off

bank account

noun
  • A fund, held by a bank in a contractual arrangement between the bank and the owner of the fund, a customer of the bank, into which they can deposit and from which they can withdraw money. 

pay-off

noun
  • A payment. 

  • A reward. 

  • A bribe. 

  • A resolution or justification of an event that has already occurred, especially in fiction. 

How often have the words bank account and pay-off occurred in a corpus of books? (source: Google Ngram Viewer )