enable vs endow

enable

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

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

  • 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. 

endow

verb
  • To give property to (someone) as a gift; specifically, to provide (a person or institution) with support in the form of a permanent fund of money or other benefits. 

  • Followed by with, or rarely by of: to enrich or furnish with some faculty or quality. 

  • Usually in the passive: to naturally furnish (with something). 

  • To provide with a dower (“the portion that a widow receives from her deceased husband's property”) or a dowry (“property given to a bride”). 

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