escapist vs lethetic

escapist

adj
  • Intended for or tending toward escape; especially, used to avoid, deny, or forget about reality, as through fantasy. 

noun
  • Someone who wants to escape; especially from reality 

lethetic

adj
  • Failing to mirror reality, purely escapist or nonsensical. 

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