blindside vs grapple

blindside

noun
  • A person's weak point. 

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

  • 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. 

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

  • To catch off guard; to take by surprise. 

grapple

noun
  • A close hand-to-hand struggle. 

  • A grapnel (“type of anchor”). 

  • A combination of grape and apple flavors. 

  • The act of grappling. (uncountable) 

  • A device consisting of iron claws, attached to the end of a rope, used for grasping and holding an enemy ship prior to boarding; a grappling iron. 

verb
  • To hook and raise with a grapple. 

  • To ponder and intensely evaluate a problem; to struggle to deal with. 

  • To climb (whether by means of a grapple and rope, or by hand, etc). 

  • To fasten, as with a grapple; (by extension) to fix; to join indissolubly. 

  • To wrestle or tussle. 

  • To seize something and hold it firmly. 

  • To use a grapple (for example to attempt to find, hook, and raise a net or cable). 

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