blindside vs descend

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. 

descend

verb
  • To make an attack, or incursion, as if from a vantage ground; to come suddenly and with violence. 

  • To move toward the south, or to the southward. 

  • To fall in pitch; to pass from a higher to a lower tone. 

  • to proceed by generation or by transmission; to happen by inheritance. 

  • To go down upon or along; to pass from a higher to a lower part of 

  • to be derived (from) 

  • To pass from a higher to a lower place; to move downwards; to come or go down in any way, for example by falling, flowing, walking, climbing etc. 

  • To enter mentally; to retire. 

  • To come down, as from a source, original, or stock 

  • To come down to a lower, less fortunate, humbler, less virtuous, or worse, state or rank; to lower or abase oneself 

  • And on the suitors let thy wrath descend. 

  • To pass from the more general or important to the specific or less important matters to be considered. 

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