accountancy vs calculation

accountancy

noun
  • A company or organisation that performs such a function. 

  • 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. 

calculation

noun
  • The act or process of calculating. 

  • Reckoning, estimate. 

  • The result of calculating. 

  • An expectation based on circumstances. 

  • The act or process of imagining sequences of potential moves and responses without actually moving the pieces. 

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