piccalilli vs sweet tooth

piccalilli

noun
  • A yellow pickle relish made from cauliflower, vegetable marrow, and other vegetables, pickled with vinegar, salt, sugar, and spiced with mustard, turmeric, and other spices. 

  • A pickle, typically on a base of chopped green (unripe) tomatoes, but sometimes finely-chopped gherkins, and possibly including other vegetables. 

sweet tooth

noun
  • The edible fungus Hydnum repandum. 

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

  • Someone with a liking for sweet foods. 

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