bollocks vs mess up

bollocks

verb
  • (also bollocks up) To fail (a task); to make a mess of. 

  • To break. 

intj
  • An expression of anger, frustration, etc. 

  • An expression of incredulity. 

noun
  • An idiot, an ignorant or disagreeable person. 

  • The testicles (sometimes used in the singular) 

  • Nonsense or information deliberately intended to mislead. 

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. 

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