enable vs endorse

enable

verb
  • To affirm; to make firm and strong. 

  • 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 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. 

endorse

verb
  • To give an endorsement. 

  • To report (a symptom); to describe. 

  • To write one's signature on the back of a cheque, or other negotiable instrument, when transferring it to a third party, or cashing it. 

  • To express support or approval, especially officially or publicly. 

noun
  • A diminutive of the pale, usually appearing in pairs on either side of a pale. 

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