diminution vs price cut

diminution

noun
  • A lessening, decrease or reduction. 

  • a compositional technique where the composer shortens the melody by shortening its note values. 

  • The act or process of making diminutive. 

price cut

noun
  • A reduction of the price of goods or merchandise to one lower than the usual or advertised price. 

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