mess up vs muff

mess up

verb
  • To botch, bungle; to perform poorly on. 

  • To damage; injure. 

  • To manhandle; beat up; rough up. 

  • To make a mess of; to untidy, disorder, soil, or muss. 

  • To cause a problem with; to introduce an error or mistake in; to make muddled or confused; spoil; ruin. 

  • To cause (another person) to make unwanted mistakes in a given task, usually through distraction or obnoxious behavior. 

  • To make a mistake; to do something incorrectly; to perform poorly. 

  • To discombobulate, utterly confuse, or confound psychologically; to throw into a state of mental disarray. 

muff

verb
  • To mishandle; to bungle. 

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

noun
  • 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. 

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

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

  • A bird, the whitethroat. 

  • A muffin. 

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