enable vs qualify

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. 

qualify

verb
  • To certify or license someone for something. 

  • To throw and catch each object at least twice. 

  • To compete successfully in some stage of a competition and become eligible for the next stage. 

  • To make someone, or to become competent or eligible for some position or task. 

  • To modify, limit, restrict or moderate something; especially to add conditions or requirements for an assertion to be true. 

  • To give individual quality to; to modulate; to vary; to regulate. 

  • To describe or characterize something by listing its qualities. 

noun
  • An instance of throwing and catching each prop at least twice. 

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