180 vs heel turn

180

noun
  • A complete change of direction or opinion. 

  • The friendly welcome was a 180 from what she had been expecting 

  • The exact opposite. 

  • An instance of spinning 180 degrees, so that one is facing in the opposite direction. 

heel turn

noun
  • A radical change (of mind, opinion, etc.). 

  • A turn executed by shifting weight on to the heel(s). 

  • A ballroom dancing move in which the dancer steps backwards, shifts their weight on to the back foot, and turns on the heel of that foot while holding the other foot close and parallel to it. 

  • A situation in which someone changes from being a villain into a hero. 

  • An act of turning around abruptly, especially so that one faces the opposite direction. 

  • Synonym of heel/face turn (“a situation in which a wrestler previously identified as a villain changes to being considered a hero”) 

How often have the words 180 and heel turn occurred in a corpus of books? (source: Google Ngram Viewer )