fracture vs tip over

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. 

tip over

verb
  • (to cause) to topple over and fall 

noun
  • An action where the goalkeeper deflects the ball over the crossbar. 

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