blindside vs slump

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. 

slump

verb
  • To cause to collapse; to hit hard; to render unsconscious; to kill. 

  • To collapse heavily or helplessly. 

  • To lump; to throw together messily. 

  • To fall or sink suddenly through or in, when walking on a surface, as on thawing snow or ice, a bog, etc. 

  • To slouch or droop. 

  • To decline or fall off in activity or performance. 

noun
  • A period when a person goes without the expected amount of sex or dating. 

  • A measure of the fluidity of freshly mixed concrete, based on how much the concrete formed in a standard slump cone sags when the cone is removed. 

  • The gross amount; the mass; the lump. 

  • A boggy place. 

  • A heavy or helpless collapse; a slouching or drooping posture; a period of poor activity or performance, especially an extended period. 

  • The noise made by anything falling into a hole, or into a soft, miry place. 

  • A cobbler-like dessert cooked on a stove. 

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