blindside vs fast track

blindside

noun
  • A tram/train driver's field of blindness around a tram (trolley/streetcar) or a train; the side areas behind the tram/train driver. 

  • The blindside flanker, a position in rugby union, usually number 6. 

  • A person's weak point. 

  • The space on the side of the pitch with the shorter distance between the breakdown/set piece and the touchline; compare openside. 

  • A driver's field of blindness around an automobile; the side areas behind the driver. 

verb
  • To attack (a person) on his or her blind side. 

  • To catch off guard; to take by surprise. 

fast track

noun
  • A railroad for express trains. 

  • A racetrack with optimum conditions for high speeds 

  • The quickest or most direct method or path. 

  • A high-pressure or intensely competitive situation, particularly one characterised by rapid advancement. 

verb
  • To progress something with unusual rapidity. 

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