anthology vs portfolio

anthology

noun
  • An assortment of things. 

  • A collection of literary works, such as poems or short stories, especially a collection from various authors. 

  • A work or series containing various stories with no direct relation to one another. 

  • The study of flowers. 

portfolio

noun
  • A range of products. 

  • The post and the responsibilities of a cabinet minister or other head of a government department. 

  • A collection of assets; (figurative) any collection of things considered as investments or assets. 

  • A case for carrying papers, drawings, photographs, maps and other flat documents. 

  • The collection of such documents, especially the works of an artist or photographer. 

  • The group of investments and other assets held by an investor. 

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