crumple up vs fracture

crumple up

verb
  • To collapse; to give up and fold in a stressful situation. 

  • To crumple or messily fold (something). 

  • To become crumpled or messily folded up. 

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. 

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