gimcrack vs nonpositive

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. 

nonpositive

adj
  • Not positive. 

  • Not positive; either zero or negative. 

noun
  • Any value that is not positive. 

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