clean as a hound's tooth vs orderly

clean as a hound's tooth

adj
  • Very clean; very innocent. 

orderly

adj
  • Peaceful; well-behaved. 

  • Being on duty; keeping order; conveying orders. 

  • Neat and tidy; possessing order. 

  • Methodical or systematic. 

noun
  • A hospital attendant given a variety of non-medical duties. 

  • A soldier who carries out minor tasks for a superior officer. 

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