charva vs wigger

charva

noun
  • Unruly youth; disobedient child or teenager. 

  • Friend; mate. 

  • A chav. 

wigger

noun
  • A white person, typically young and male, considered to be overly infatuated with African-American or (UK) Afro-Caribbean culture, a white race traitor or cultural appropriator. 

  • A non-black person of any race considered to be inauthentically appropriating black culture and behavior. 

  • A maker of wigs. 

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