atlas vs quarto

atlas

noun
  • A sheet of paper measuring 26 inches by 34 inches. 

  • One who supports a heavy burden; mainstay. 

  • A bound collection of maps often including tables, illustrations or other text. 

  • The uppermost vertebra of the cervical spine in the neck in humans and some other animals. 

  • A bound collection of tables, illustrations etc. on any given subject. 

  • A family of coordinate charts that cover a manifold. 

  • A rich satin fabric. 

  • A detailed visual conspectus of something of great and multi-faceted complexity, with its elements splayed so as to be presented in as discrete a manner as possible whilst retaining a realistic view of the whole. 

  • A figure of a man used as a column. 

quarto

noun
  • A size of paper (7.5"-10" x 10"-12.5" or 190-254 x 254-312 mm). Formed by folding and cutting one of several standard sizes of paper (15"-20" x 20"-25" or 381-508 x 508-635 mm) twice to form 4 leaves (eight sides). 

  • Quarto writing paper (10 inches x 8 inches) 

  • A book size, corresponding to the paper size. 

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