carafe vs magnifying glass

carafe

noun
  • A bottle, usually glass and with a flared lip, used for serving water, wine, or other beverages. 

  • A glass pot with a spout for pouring, used for both serving coffee and as a receptacle during the brewing process. 

magnifying glass

noun
  • An instrument made of convex glass, used to magnify. 

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