account statement vs accountancy

account statement

noun
  • A record of transactions and their effect on bank account balances 

accountancy

noun
  • The function of compiling and providing financial information primarily by reports referred to as financial statements, including bookkeeping, systems design, analysis and interpretation of accounting information. 

  • A company or organisation that performs such a function. 

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