fook vs poo

fook

verb
  • To fuck. 

intj
  • Fuck. 

poo

verb
  • To dirty something with feces. 

  • To defecate. 

noun
  • Champagne. 

  • Cannabis resin. 

  • A poodle crossbreed. 

  • Feces. 

  • A piece of feces or an act of defecation. 

intj
  • Expressing annoyance, frustration, etc.: a minced oath for 'shit'. 

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