deflation vs enhancement

deflation

noun
  • 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. 

  • An economic contraction. 

enhancement

noun
  • An improvement or supplement that tends to increase a sense of esteem. 

  • The degree to which the image of a scan stands out as a bright area. 

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