mazer vs pudding bowl

mazer

noun
  • A large drinking bowl made from such wood; a mazer bowl. 

pudding bowl

noun
  • A haircut where the hair is cut short on the sides and back and allowed to grow long on the top, as though only the hair not covered by an inverted bowl had been removed. 

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