cartouche vs spool

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. 

spool

noun
  • A reel; a device around which thread, wire or cable is wound, especially a cylinder or spindle. 

  • One of the rotating assemblies of a gas turbine engine, composed of one or more turbine stages, a shaft, and one or more compressor or fan stages. 

  • A small swimming pool that can be used also as a spa. 

  • A temporary storage area for electronic mail, etc. 

verb
  • To wind on a spool or spools. 

  • To send files to a device or a program (a spooler or a daemon that puts them in a queue for processing at a later time). 

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