mesmerism vs self-suggestion

mesmerism

noun
  • The method or power of gaining control over someone's personality or actions, as in hypnosis or suggestion. 

  • The state induced by hypnotic methods (especially that of Mesmer himself). 

self-suggestion

noun
  • Synonym of autosuggestion 

How often have the words mesmerism and self-suggestion occurred in a corpus of books? (source: Google Ngram Viewer )