faeces vs poopy

faeces

noun

  • UK, Canada, Ireland, South Africa, Australia, and New Zealand standard spelling of feces. 

poopy

noun

  • excrement. 

adj

  • Depressed, weak, or worthless. 

  • Dirty with feces. 

  • Resembling or characteristic of feces. 

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