fracture vs fragment

fracture

verb
  • To break, or cause something to break. 

  • To amuse (a person) greatly; to split someone's sides. 

noun
  • A break in bone or cartilage. 

  • An instance of breaking, a place where something has broken. 

  • A fault or crack in a rock. 

fragment

verb
  • To cause to be broken into pieces. 

  • To break apart. 

  • To break up and disperse (a file) into non-contiguous areas of a disk. 

noun
  • An incomplete portion of code. 

  • A sentence not containing a subject or a predicate. 

  • A portion of a URL referring to a subordinate resource or anchor (such as a specific point on a web page), introduced by the # sign. 

  • A part broken off; a small, detached portion; an imperfect part, either physically or not 

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