heteroclite vs quicksilver

heteroclite

adj
  • Deviating from the ordinary rule; eccentric, abnormal. 

  • Being irregularly declined or inflected. 

noun
  • An irregularly declined or inflected word 

  • A person who is unconventional; a maverick 

  • A word whose etymological roots come from distinct, different languages or language groups. 

quicksilver

adj
  • Unpredictable, erratic or fickle; mercurial. 

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. 

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