deflation vs shakeout

deflation

noun
  • The removal of soil and other loose material from the ground (or another surface) by wind, leaving it exposed to erosion. 

  • A decrease in the general price level, that is, in the nominal cost of goods and services as well as wages. 

  • An act or instance of deflating. 

  • An economic contraction. 

shakeout

noun
  • The shaking of an object to spread it wide and eject any debris. 

  • An event that causes marginal constituents to be eliminated. 

  • The separation of molds from their flask, the castings from the molding sand, and potentially the cores from the castings. 

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