muff vs trouser

muff

noun
  • A piece of fur or cloth, usually with open ends, used for keeping the hands warm. 

  • A blown cylinder of glass which is afterward flattened out to make a sheet. 

  • The feathers sticking out from both sides of the face under the beak of some birds. 

  • A short hollow cylinder surrounding an object such as a pipe. 

  • A fool, a stupid or poor-spirited person. 

  • A woman or girl. 

  • An error, a mistake; a failure to hold a ball when once in the hands. 

  • Female pubic hair; female genitals (vulva, vagina), like muffin. See Thesaurus:vagina. 

  • A bird, the whitethroat. 

  • A muffin. 

verb
  • To drop or mishandle (the ball, a catch etc.); to play badly. 

  • To mishandle; to bungle. 

trouser

noun
  • Of or relating to trousers. 

  • A pair of trousers. 

verb
  • To secretively steal (an item or money) for personal use. 

  • To put (money) into one's trouser pocket; to pocket. 

  • To take and keep (something, especially money, that is not one's own); to pocket. 

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