mull vs weigh

mull

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

  • 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 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. 

weigh

verb
  • To have weight; to be heavy; to press down. 

  • To determine the intrinsic value or merit of an object, to evaluate. 

  • To consider a subject. 

  • To have a certain weight. 

  • To bear up; to raise; to lift into the air; to swing up. 

  • To determine the weight of an object. 

  • Often with "out", to measure a certain amount of something by its weight, e.g. for sale. 

  • To weigh anchor. 

  • To be considered as important; to have weight in the intellectual balance. 

  • To raise an anchor free of the seabed. 

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