cartouche vs medallion

cartouche

noun
  • An ornamental figure, often on an oval shield. 

  • A paper cartridge. 

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

  • A gunner's bag for ammunition. 

  • A military pass for a soldier on furlough. 

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

medallion

noun
  • A usually round or oval frame (often made of stucco) containing a decoration. 

  • A cut of meat resembling a medallion. 

  • A large medal, usually decorative. 

  • A yellowish brown. 

  • A circular certificate used in some places to register a vehicle, especially a taxicab. 

verb
  • To mark with, or as with, a medallion or medallions. 

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