12 vs filth

12

noun
  • Collectively, police or law enforcement. 

  • See also: fuck 12 

symbol
  • Used by fans of American football, positioning themselves as the 12th member of an 11-player team. 

filth

noun
  • The police. 

  • Smut; that which sullies or defiles the moral character; corruption; pollution. 

  • Dirt; foul matter; that which soils or defiles. 

  • A vile or disgusting person. 

How often have the words 12 and filth occurred in a corpus of books? (source: Google Ngram Viewer )