absenteeism vs goofing off

absenteeism

noun
  • The practice of absenting oneself from the country or district where one's estate is situated. 

  • The state of being absent, especially frequently or without good reason; the practice of an absentee. 

goofing off

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