gimcrack vs not worth salt

gimcrack

adj
  • Showy but of poor quality; worthless. 

verb
  • To embellish with gimcracks. 

  • To put together quickly and without much care; to bodge. 

noun
  • Something showy but worthless; a bauble or gimmick. 

not worth salt

adj
  • Worthless. 

How often have the words gimcrack and not worth salt occurred in a corpus of books? (source: Google Ngram Viewer )