downmarket vs opulent

downmarket

verb
  • To make or become downmarket. 

adj
  • Designed for low-income consumers. 

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

adv
  • Towards the less prestigious sector of the market. 

opulent

adj
  • Rich, sumptuous and extravagant. 

  • Luxuriant, and ostentatiously magnificent. 

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