quicksilver vs schizophrenic

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. 

schizophrenic

adj
  • Having qualities that strongly jar or are at odds. 

  • Of or relating to schizophrenia. 

  • Exhibiting more than one personality; having a wildly changeable personality. 

  • Afflicted with schizophrenia; having difficulty with perception of reality. 

noun
  • A person suffering from schizophrenia. 

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