absence vs no-show

absence

noun
  • Failure to be present where one is expected, wanted, or needed; nonattendance; deficiency. 

  • A state of being away or withdrawn from a place or from companionship 

  • The period of someone being away. 

  • Temporary loss or disruption of consciousness, with sudden onset and recovery, and common in epilepsy. 

  • Lack; deficiency; nonexistence. 

  • Lack of contact between blades. 

  • Inattention to things present; abstraction (of mind). 

no-show

noun
  • An absence; failure to show up or to make a scheduled appearance, especially at a hotel or a place of employment. 

  • A person or group that does not show up. 

verb
  • To fail to show up for something. 

How often have the words absence and no-show occurred in a corpus of books? (source: Google Ngram Viewer )