absenteeism vs nonattender

absenteeism

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

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

nonattender

noun
  • One who does not attend (make oneself present at a ceremony etc.). 

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