12 vs dozen

12

noun
  • See also: fuck 12 

  • Collectively, police or law enforcement. 

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

dozen

noun
  • twelve 

  • An old English measure of ore containing 12 hundredweight. 

  • A set of twelve. 

  • A large, unspecified number of, comfortably estimated in small multiples of twelve, thus generally implied to be significantly more than ten or twelve, but less than perhaps one or two hundred; many. 

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