museum vs treasury

museum

noun
  • A building or institution dedicated to the acquisition, conservation, study, exhibition, and educational interpretation of objects having scientific, historical, cultural or artistic value. 

treasury

noun
  • A place where treasure is stored safely. 

  • A place where state or royal money and valuables are stored. 

  • A collection of artistic or literary works. 

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