accountancy vs rationalization

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. 

rationalization

noun
  • A reorganization of a company or organization in order to improve its efficiency. 

  • The concealment of true motivation in some non-threatening way. 

  • The process or result of rationalizing. 

  • The simplification of an expression without changing its value. 

  • A statement of one's motives, or of the causes of some event. 

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