bank account vs depositary

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. 

depositary

noun
  • One who receives goods or a deposit in trust. 

  • A place where deposits are kept 

adj
  • Acting as the trusted recipient of a deposit. 

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