bawdry vs scatology

bawdry

noun
  • Obscenity; filthy, unchaste language. 

  • Illicit intercourse; fornication. 

  • The practice of procuring women for the gratification of lust. 

scatology

noun
  • A filthy epithet. 

  • The scientific study or chemical analysis of faeces. 

  • Literature, humor, or pornography featuring excrement or excreting. 

  • Interest in or obsession with faeces or other excrement. 

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