minimal vs on the edge

minimal

noun
  • Something very small; a tiny part or fragment. 

adj
  • Characterised by the use of simple form or structures. 

  • Characterised by the repetition and gradual alteration of short phrases. 

  • The smallest possible amount, quantity, or degree. 

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. 

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