caliber vs crasis

caliber

noun
  • Relative size, importance, magnitude. 

  • A nominal name for a cartridge type, which may not exactly indicate its true size and may include other measurements such as cartridge length or black powder capacity. Eg 7.62×39 or 38.40. 

  • The diameter of round or cylindrical body, as of a bullet, a projectile, or a column. 

  • Diameter of the bore of a firearm, typically measured between opposite lands. 

  • Capacity or compass of mind. 

  • Unit of measure used to express the length of the bore of a weapon. The number of calibres is determined by dividing the length of the bore of the weapon, from the breech face of the tube to the muzzle, by the diameter of its bore. A gun tube the bore of which is 40 feet (480 inches) long and 12 inches in diameter is said to be 40 calibers long. 

  • Movement of a timepiece. 

crasis

noun
  • A mixture or combination. 

  • External vowel sandhi; contraction of a vowel or diphthong at the end of a word with a vowel or diphthong at the start of the following word. 

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