extensity vs panorama

extensity

noun
  • The degree to which something is extensive 

  • The state of being extensive or of having extension 

panorama

noun
  • A comprehensive survey. 

  • An unbroken view of an entire surrounding area. 

  • A picture or series of pictures representing a continuous scene. 

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