ascension vs topple

ascension

noun
  • A transcendence of the material world; a transition to a higher form, state, or plane of existence. 

  • That which rises, as from distillation. 

  • The act of ascending; an ascent. 

topple

verb
  • To overturn 

  • To overthrow something. 

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

  • To push or throw over 

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