shipwreck vs swamp

shipwreck

verb
  • To wreck a boat through a collision or mishap. 

noun
  • An event where a ship sinks or runs aground. 

  • A ship that has sunk or run aground so that it is no longer seaworthy. 

  • destruction; ruin; irretrievable loss 

swamp

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

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

  • To drench or fill with water. 

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

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

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