blindside vs turn up

blindside

verb
  • To catch off guard; to take by surprise. 

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

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

  • A person's weak point. 

  • 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 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. 

turn up

verb
  • To show up; to appear suddenly or unexpectedly. 

  • To cause to appear; to find by searching, etc. 

  • To increase the amount of something by means of a control, such as the volume, heat, or light. 

  • To reposition by rotating, flipping, etc. upwards. 

  • To party hard, especially when involving alcohol or drugs. 

  • To belay or make fast a line on a cleat or pin. 

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