blindside vs swamp

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. 

swamp

noun
  • A place or situation that is foul or where progress is difficult. 

  • A piece of wet, spongy land; low ground saturated with water; soft, wet ground which may have a growth of certain kinds of trees, but is unfit for agricultural or pastoral purposes. 

  • A type of wetland that stretches for vast distances, and is home to many creatures which have adapted specifically to that environment. 

verb
  • To overwhelm; to make too busy, or overrun the capacity of. 

  • To plunge into difficulties and perils; to overwhelm; to ruin; to wreck. 

  • To drench or fill with water. 

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