crooked vs sawtooth

crooked

adj
  • Not straight; having one or more bends or angles. 

  • Set at an angle; not vertical or square. 

  • Dishonest or illegal; corrupt. 

sawtooth

noun
  • A cutting bit of a saw. 

  • A sawtooth wave. 

  • Any of various pierid butterflies of the genus Prioneris. 

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