asylum vs hermitage

asylum

noun
  • A place of safety or refuge. 

  • The protection, physical and legal, afforded by such a place (as, for example, for political refugees). 

hermitage

noun
  • A place of seclusion. 

  • A house or dwelling where a hermit lives. 

  • A period of seclusion. 

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