cat-o'-nine-tails vs lanyard

cat-o'-nine-tails

noun
  • A scourge (multi-tail whip) having nine, often knotted, whipcords, formerly used for flogging as naval punishment. 

  • A similarly constructed leather nine-tail whip, as used in British penal colonies and certain armies. 

lanyard

noun
  • A short rope used for fastening rigging, as a handle, etc. 

  • A cord worn around the neck, shoulder, or wrist which is attached to a small object to be carried such as an identity card or security pass, key, knife, or whistle. 

  • A cord with a hook which is secured to an artillery piece, and pulled to fire the weapon. 

  • A craft activity done by intricately braiding thin colored plastic lines to make patterns, or the product of such a craft. 

How often have the words cat-o'-nine-tails and lanyard occurred in a corpus of books? (source: Google Ngram Viewer )