calcine vs mull

calcine

verb
  • To purify or refine (something). 

  • To burn up (something) completely; to incinerate; hence, to destroy (something). 

  • To heat (a substance) without melting in order to drive off water, etc., and to oxidize or reduce it; specifically, to decompose (carbonates) into oxides, and, especially, to heat (limestone) to form quicklime. 

  • To heat (something) to dry and sterilize it. 

  • Of a substance: to undergo heating so as to oxidize it. 

  • To heat (a substance) to remove its impurities and refine it. 

noun
  • Something calcined; also, material left over after burning or roasting. 

mull

verb
  • To powder; to pulverize. 

  • To chop marijuana so that it becomes a smokable form. 

  • To dull or stupefy. 

  • To heat and spice something, such as wine. 

  • To work (over) mentally; to cogitate; to ruminate. 

  • To join two or more individual windows at mullions. 

noun
  • An inferior kind of madder prepared from the smaller roots or the peelings and refuse of the larger. 

  • A stew of meat, broth, milk, butter, vegetables, and seasonings, thickened with soda crackers. 

  • dirt; rubbish 

  • A thin, soft muslin. 

  • A promontory. 

  • A snuffbox made of the small end of a horn. 

  • The gauze used in bookbinding to adhere a text block to a book's cover. 

  • Marijuana that has been chopped to prepare it for smoking. 

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