azoth vs quicksilver

azoth

noun
  • The first principle of metals, that is, mercury, which was formerly supposed to exist in all metals, and to be extractable from them. 

  • The universal remedy of Paracelsus. 

quicksilver

noun
  • The metal mercury. 

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

verb
  • To overlay with quicksilver. 

  • To treat with quicksilver. 

adj
  • Unpredictable, erratic or fickle; mercurial. 

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