shipwreck vs toppling

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. 

toppling

noun
  • The act by which something is toppled. 

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