bowl over vs tip over

bowl over

verb
  • To overwhelm; to cause to fall to the ground. 

  • To overwhelm with astonishment or wonder; to flabbergast 

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 bowl over and tip over occurred in a corpus of books? (source: Google Ngram Viewer )