faeces vs ordure

faeces

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

ordure

noun
  • Dung, excrement. 

  • Dirt, filth. 

  • Something regarded as contaminating or perverting the morals; obscene material. 

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