deflation vs recession

deflation

noun
  • An economic contraction. 

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

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

  • An act or instance of deflating. 

recession

noun
  • A period of reduced economic activity 

  • A procedure in which an extraocular muscle is detached from the globe of the eye and reattached posteriorly. 

  • The act or an instance of receding or withdrawing. 

  • A period of low temperatures that causes a reduction in species; ice age. 

  • The ceremonial filing out of clergy and/or choir at the end of a church service. 

  • The act of ceding something back. 

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