atman vs pneuma

atman

noun
  • The true self of an individual beyond identification with worldly phenomena, the essence of an individual, an infinitesimal part of Brahman. 

pneuma

noun
  • One of three levels of a human being, the spirit, along with the body and soul. 

  • The spirit or soul. 

  • A neume. 

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