management vs mopping

management

noun
  • 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. 

  • The executives of an organisation, especially senior executives. 

mopping

noun
  • The process of cleaning with a mop. 

  • An application of molten asphalt to a roof etc. 

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