dentigerous vs serrated

dentigerous

adj
  • Bearing teeth or tooth-like structures; of or pertaining to tissue from which teeth develop. 

serrated

adj
  • Having a row of sharp or tooth-like projections. 

  • Notched or cut like a saw. 

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