badger vs gangster

badger

verb
  • To pester; to annoy persistently; to press. 

noun
  • Any mammal of three subfamilies, which belong to the family Mustelidae: Melinae (Eurasian badgers), Mellivorinae (ratel or honey badger), and Taxideinae (American badger). 

  • A native or resident of the American state, Wisconsin. 

gangster

verb
  • To act like a gangster; to commit street crime or run a racket. 

noun
  • A member of a professional criminal organization; a racketeer. 

  • A member of a criminal or street gang. 

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