promissory vs rosy

promissory

adj
  • Containing or consisting of a promise. 

  • Stipulating the future actions required of the parties to an insurance policy or other business agreement. 

rosy

adj
  • Optimistic. 

  • Resembling rose, as in scent of perfume. 

  • Rose-coloured. 

noun
  • tea 

verb
  • To make pinkish in colour. 

  • To present in a deceptively optimistic or positive light. 

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