appetence vs sweet tooth

appetence

noun
  • The state or action of desiring or craving. 

sweet tooth

noun
  • A liking for foods that are sweet; a weakness for sweets. 

  • Someone with a liking for sweet foods. 

  • The edible fungus Hydnum repandum. 

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