blindside vs sally

blindside

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

  • To catch off guard; to take by surprise. 

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. 

sally

verb
  • To make a sudden attack (e.g. on an enemy from a defended position). 

  • To set out on an excursion; venture; depart (often followed by "forth.") 

  • To venture off the beaten path. 

noun
  • A kind of stonefly. 

  • A willow 

  • An excursion or side trip. 

  • An object made from the above trees' wood 

  • A witty statement or quip, usually at the expense of one's interlocutor. 

  • A sudden rushing forth. 

  • Any tree that looks like a willow 

  • A tufted woollen part of a bellrope, used to provide grip when ringing a bell. 

  • A wren. 

  • A member of the Salvation Army. 

  • A sortie of troops from a besieged place against an enemy. 

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