ness vs promontory

ness

noun
  • A promontory; a cape or headland. (Frequently used as a suffix in placenames.) 

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. 

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