athenaeum vs repository

athenaeum

noun
  • The reading room or library of such an association; (by extension) any reading room or library. 

  • An association for the advancement of learning, particularly in science or literature. 

  • A literary or scientific periodical, especially one similar to the London Athenaeum. 

repository

noun
  • a storage location for files, such as downloadable software packages, or files in a source control system. 

  • A person to whom a secret is entrusted. 

  • A burial vault. 

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