cartouche vs whorl

cartouche

noun
  • A wooden case filled with balls, to be shot from a cannon. 

  • A paper cartridge. 

  • A gunner's bag for ammunition. 

  • A military pass for a soldier on furlough. 

  • An ornamental figure, often on an oval shield. 

  • An oval figure containing the characters of an important personal name, such as that of royal or divine people. 

whorl

noun
  • A flywheel, a weight attached to a spindle. 

  • A circle of three or more leaves, flowers, or other organs, about the same part or joint of a stem. 

  • A volution, or turn, of the spire of a univalve shell. 

  • Any volution, as for example in the human ear or fingerprint. 

  • Each circle, volution or equivalent in a pattern of concentric circles, ovals, arcs, or a spiral. 

verb
  • To form a pattern of concentric circles. 

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