mull vs piece

mull

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

  • 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. 

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

  • To dull or stupefy. 

  • To powder; to pulverize. 

  • 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. 

piece

noun
  • A cannabis pipe. 

  • An ounce of a recreational drug. 

  • A distance. 

  • A coin, especially one valued at less than the principal unit of currency. 

  • An artillery gun. 

  • An amount of work to be done at one time; a unit of piece work. 

  • One of the figures used in playing chess, specifically a higher-value figure as distinguished from a pawn; by extension, a similar counter etc. in other games. 

  • A part of a larger whole, usually in such a form that it is able to be separated from other parts. 

  • A shoddy or worthless object (usually applied to consumer products like vehicles or appliances). 

  • A structured practice row, often used for performance evaluation. 

  • An artistic creation, such as a painting, sculpture, musical composition, literary work, etc. 

  • An article published in the press. 

  • A sexual encounter; from piece of ass or piece of tail. 

  • Used to describe a pitch that has been hit but not well, usually either being caught by the opposing team or going foul. Usually used in the past tense with get. 

  • A single item belonging to a class of similar items. 

  • A gun. 

  • A slice or other quantity of bread, eaten on its own; a sandwich or light snack. 

  • A pacifier; a dummy. 

  • A toupee or wig, especially when worn by a man. 

verb
  • To produce a work of graffiti more complex than a tag. 

  • To make, enlarge, or repair, by the addition of a piece or pieces; to patch; often with out. 

  • To assemble (something real or figurative). 

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