on the edge vs outer

on the edge

prep
  • With figurative or temporal proximity to (an event, state of mind, etc.). 

  • In a state of excitement due to taking risks. 

  • In a precarious position, with one's recourses nearly exhausted. 

outer

adj
  • Outside; external. 

  • Farther from the centre of the inside. 

noun
  • Someone who outs another. 

  • The 4th circle on a target, outside the inner and magpie. 

  • The smallest single unit sold by wholesalers to retailers, usually one retail display box. 

  • An outer part. 

  • A shot which strikes the outer of a target. 

  • One who puts out, ousts, or expels. 

  • An uncovered section of the seating at a stadium or sportsground. 

  • Someone who admits to something publicly. 

  • One who supports leaving the European Union. 

  • An ouster; dispossession. 

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