havering vs quicksilver

havering

adj

  • Hesitant; indecisive. 

  • Long-winded 

noun

  • Indecision, indecisive behaviour. 

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 havering and quicksilver occurred in a corpus of books? (source: Google Ngram Viewer )