extensity vs length

extensity

noun
  • The degree to which something is extensive 

  • The state of being extensive or of having extension 

length

noun
  • Total extent. 

  • The number of cards held in a particular suit. 

  • duration. 

  • A unit of script length, comprising 42 lines. 

  • The distance measured along the longest dimension of an object. 

  • The length of a horse, used to indicate the distance between horses at the end of a race. 

  • Part of something that is long; a physical piece of something. 

  • Distance between the two ends of a line segment. 

  • The distance down the pitch that the ball bounces on its way to the batsman. 

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