downmarket vs high-class

downmarket

adv
  • Towards the less prestigious sector of the market. 

verb
  • To make or become downmarket. 

adj
  • Designed for low-income consumers. 

  • Of, or relating to the less prestigious sector of the market. 

high-class

adj
  • Recognized for its quality. 

  • Upper-class. 

How often have the words downmarket and high-class occurred in a corpus of books? (source: Google Ngram Viewer )