alluvion vs fiasco

alluvion

noun
  • The increase in the area of land due to the deposition of sediment (alluvium) by a river. 

fiasco

noun
  • A ludicrous or humiliating situation. Some effort that went quite wrong. 

  • A wine bottle in a (usually straw) jacket. 

  • A sudden or unexpected failure. 

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