allow vs overturn

allow

verb
  • To acknowledge; to accept as true; to concede; to accede to an opinion. 

  • To not bar or obstruct. 

  • To render physically possible. 

  • To grant, give, admit, accord, afford, or yield; to let one have. 

  • To grant license to; to permit; to consent to. 

  • To grant (something) as a deduction or an addition; especially to abate or deduct. 

  • To take into account by making an allowance. 

  • To decide (a request) in favour of the party who raised it; to grant victory to a party regarding (a request). 

overturn

verb
  • To reverse (a decision); to overrule or rescind. 

  • To turn over, capsize or upset. 

  • To diminish the significance of a previous defeat by winning; to make a comeback from. 

  • To overthrow or destroy. 

  • Of a body of water: to undergo a limnic eruption, where dissolved gas suddenly erupts from the depths. 

noun
  • The overturning or overthrow of some institution or state of affairs; ruin. 

  • A turning over or upside-down; inversion. 

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