surplus vs tsunami

surplus

adj
  • Being or constituting a surplus; more than sufficient. 

verb
  • To treat as surplus to requirements; to sell off or dismiss from employment, etc. 

noun
  • Specifically, an amount in the public treasury at any time greater than is required for the ordinary purposes of the government. 

  • The remainder of a fund appropriated for a particular purpose. 

  • That which remains when use or need is satisfied, or when a limit is reached; excess; overplus. 

  • assets left after liabilities and debts, including capital stock have been deducted. 

tsunami

noun
  • A large and generally unstoppable surge. 

  • A very large and destructive wave, generally caused by a tremendous disturbance in the ocean, such as an undersea earthquake or volcanic eruption. Tsunami are usually a series of waves, or wave train. 

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