cynanthropy vs sanity

cynanthropy

noun
  • A delusion in which a person believes he or she is transformed into a dog. 

  • A shape-shifting ability between human and canine forms. 

sanity

noun
  • The condition of being sane. 

  • Reasonable and rational behaviour. 

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