privacy vs surreptitiousness

privacy

noun
  • The state of being secluded from the presence, sight, or knowledge of others. 

  • Freedom from unwanted or undue disturbance of one's private life. 

  • Freedom from damaging publicity, public scrutiny, surveillance, and disclosure of personal information, usually by a government or a private organization. 

surreptitiousness

noun
  • The state or quality of being surreptitious. 

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