OK vs allow

OK

verb
  • To approve. 

  • To confirm by activating a button marked OK. 

name
  • United States postal abbreviation for Oklahoma, a state of the United States of America. 

adj
  • All right, acceptable, permitted. 

  • In good health or a good emotional state. 

  • Satisfactory, reasonably good; not exceptional. 

  • Satisfied (with); willing to accept a state of affairs. 

intj
  • Used to indicate acknowledgement or acceptance. 

  • Used to dismiss a dialog box or confirm a prompt. 

  • Used to introduce a sentence in order to draw attention to the importance of what is being said. 

  • Used in turn-taking, serving as a request to the speaker to grant the turn to the interrupter. 

noun
  • Karaoke. 

  • Endorsement; approval. 

adv
  • Satisfactorily, sufficiently well. 

allow

verb
  • To not bar or obstruct. 

  • To render physically possible. 

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

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

  • 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). 

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