bring down vs topple

bring down

verb
  • To cause to fall down, e.g. in an accident. 

  • To reduce. 

  • To make something, especially something flying, fall to the ground, usually by firing a weapon of some kind. 

  • To make someone feel bad emotionally. 

  • To make a ruler lose their position of power. 

  • To cause an opponent to fall after a tackle. 

  • To humble. 

topple

verb
  • To totter and fall, or to lean as if about to do so. 

  • To overturn 

  • To overthrow something. 

  • To push or throw over 

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