buggery vs dirty business

buggery

noun
  • Anal sex. 

  • A broken or damaged condition. 

  • Any sexual act deemed against nature, such as homosexuality, bestiality or necrophilia. 

dirty business

noun
  • anal sex 

  • the practice of unethical methods 

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