fuckery vs world's oldest profession

fuckery

noun

  • A brothel. 

  • An unfair or morally wrong action. 

  • Sexual intercourse. 

  • Nonsense, bullshit. Or, messing around. 

world's oldest profession

noun

  • Prostitution. 

How often have the words fuckery and world's oldest profession occurred in a corpus of books? (source: Google Ngram Viewer )