egocentric vs idiocentric

egocentric

adj
  • selfish, self-centered 

  • Relating to spatial representations: linked to a reference frame based on one's own location within the environment (as when giving the direction as "right" rather than "north"); opposed to allocentric. 

  • Egotistical. 

noun
  • A person who is egocentric. 

idiocentric

adj
  • Characterized by or denoting interest centered upon oneself or one's own ways, rather than upon others or the ways of others; self-centered. 

  • Deviating from the norm; eccentric. 

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