downmarket vs rubbishy

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. 

verb
  • To make or become downmarket. 

rubbishy

adj
  • Of little or no value; worthless. 

  • Strewn with litter. 

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