disimprovement vs shipwreck

disimprovement

noun
  • Reduction from a better to a worse state. 

  • attempt to make something better while ending up worse than before. 

shipwreck

noun
  • destruction; ruin; irretrievable loss 

  • An event where a ship sinks or runs aground. 

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

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

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