Kev vs dobber

Kev

noun
  • A working-class male. 

name
  • A diminutive of the male given name Kevin. 

dobber

noun
  • A large marble. 

  • A dabchick. 

  • A member of the working class in Scotland or Ireland who is seen as undereducated, with poor taste, especially in clothes, and poor social skills; closely connected to chav. 

  • Any small electronic device that plugs directly into a larger one, such as a wireless scoring system in fencing or a USB mass storage device. 

  • One who dobs (informs against or implicates to authority). 

  • A float (as used by an angler). 

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