allow vs displace

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). 

displace

verb
  • To supplant, or take the place of something or someone; to substitute. 

  • To move something, or someone, especially to forcibly move people from their homeland. 

  • To put out of place; to disarrange. 

  • To repress. 

  • To have a weight equal to that of the water displaced. 

  • To replace, on account of being superior to or more suitable than that which is being replaced. 

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