EDGE vs tutorial

EDGE

noun
  • Explain, demonstrate, guide, enable; an educating method. 

  • Notation for an edge rusher. 

tutorial

noun
  • An interactive class taught by a tutor to students at university or college, individually or in small groups. 

  • A video or text that is basically a how-to (advice or instruction on a particular topic) 

  • A self-paced learning exercise; a lesson prepared so that a student can learn at their own speed, at their convenience. 

adj
  • Of or pertaining to a tutor; belonging to, or exercised by, a tutor. 

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