balmy vs quicksilver

balmy

adj
  • Foolish; slightly crazy or mad; eccentric. 

  • Producing balm. 

  • Soothing or fragrant. 

  • Of weather, mild and pleasant. 

quicksilver

adj
  • Unpredictable, erratic or fickle; mercurial. 

verb
  • To overlay with quicksilver. 

  • To treat with quicksilver. 

noun
  • The metal mercury. 

  • An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering. 

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