jouster vs packer

jouster

noun
  • A horse used as a mount when jousting. 

  • A person who jousts. 

packer

noun
  • A packhorse. 

  • A software program that compresses code or data. 

  • An artificial penis or similar object worn by a drag king, trans man, etc., inside the trousers. 

  • An object inserted to hold a space open for the purpose of alignment; a spacer or shim. 

  • A person whose business is to pack things; especially, one who packs food for preservation 

  • A ring of packing or a special device to render gastight and watertight the space between the tubing and bore of an oil well. 

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