allow vs enable

allow

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

  • 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 (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). 

enable

verb
  • To qualify or approve for some role or position; to render sanction or authorization to; to confirm suitability for. 

  • To yield the opportunity or provide the possibility for something; to provide with means, opportunities, and the like. 

  • To imply or tacitly confer excuse for an action or a behavior. 

  • To activate, to make operational (especially of a function of an electronic or mechanical device). 

  • To affirm; to make firm and strong. 

  • To put a circuit element into action by supplying a suitable input pulse. 

  • To make somebody able (to do, or to be, something); to give sufficient ability or power to do or to be; to give strength or ability to. 

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