buggery vs buttfuck

buggery

noun

  • Anal sex. 

  • A broken or damaged condition. 

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

buttfuck

noun

  • An act of anal intercourse. 

verb

  • To perform an act of anal intercourse. 

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