promontory vs toothypeg

promontory

noun
  • A rounded elevation in the tympanum of the ear. 

  • A projection on the sacrum. 

  • A high point of land extending into a body of water, headland; cliff. 

toothypeg

noun
  • tooth 

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