colt's tooth vs hankering

colt's tooth

noun
  • Youthful desires, especially lust. 

  • One of a horse's first set of teeth. 

hankering

noun
  • A strong, restless desire, longing, or mental inclination. 

How often have the words colt's tooth and hankering occurred in a corpus of books? (source: Google Ngram Viewer )