swoon vs topple

swoon

verb
  • To faint, to lose consciousness. 

  • To be overwhelmed by emotion, especially infatuation. 

  • To make a moan, sigh, or some other sound expressing infatuation or affection. 

noun
  • A faint. 

  • An infatuation. 

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 swoon and topple occurred in a corpus of books? (source: Google Ngram Viewer )