flub vs mismanage

flub

verb
  • To goof, fumble, or err in the performance of an action. 

noun
  • An error; a mistake in the performance of an action. 

mismanage

verb
  • To behave, in a management capacity, in a manner which is inept, incompetent, or dishonest. 

  • To manage an area of responsibility in a way which is inept, incompetent, or dishonest. 

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