anatman vs egolessness

anatman

noun
  • The doctrine that there is no transcendental ego or soul; that the perceived true self is an illusion. Corresponds to the Hinayana or Theravada Buddhist doctrine of anattā. 

  • That which is other than the atman (self), such as the body. 

egolessness

noun
  • Lack of ego; the state or condition of being egoless. 

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