butt-fucking vs cunt

butt-fucking

noun
  • anal sex 

adj
  • Engaging in anal sex 

cunt

noun
  • The female genitalia, especially the vulva. 

  • A woman, women, or bottom (i.e. submissive partner, not the top) as a source of sex. 

  • An extremely unpleasant or objectionable person (in US, especially a woman; in UK, Ireland, Australia, New Zealand more usually a man). 

  • (with words funny, good) A person (mostly between male friends); compare bastard. 

  • An unpleasant or difficult experience or incident. 

  • An objectionable object or item. 

How often have the words butt-fucking and cunt occurred in a corpus of books? (source: Google Ngram Viewer )