clean as a hound's tooth vs guilty

clean as a hound's tooth

adj

  • Very clean; very innocent. 

guilty

adj

  • Judged to have committed a crime. 

  • Responsible for a dishonest act. 

  • Blameworthy. 

  • Having a sense of guilt. 

noun

  • A verdict of a judge or jury on a defendant judged to have committed a crime. 

  • A plea by a defendant who does not contest a charge. 

  • One who is declared guilty of a crime. 

How often have the words clean as a hound's tooth and guilty occurred in a corpus of books? (source: Google Ngram Viewer )