management vs novemvirate

management

noun
  • The executives of an organisation, especially senior executives. 

  • Administration; the use of limited resources combined with forecasting, planning, leadership and execution skills to achieve predetermined specific goals. 

  • Judicious use of means to accomplish an end. 

novemvirate

noun
  • A group of nine people, especially (politics) a council of nine men who share office or rule. 

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