collectanea vs treasury

collectanea

noun
  • A selective collection of passages from various sources or by various authors; an anthology. 

treasury

noun
  • A collection of artistic or literary works. 

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

  • A place where treasure is stored safely. 

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