decoration vs lapel pin

decoration

noun
  • Any item that adorns, enriches, or beautifies; something added by way of embellishment or ornamentation. 

  • Specifically, any mark of honor to be worn upon the person, as a medal, cross, or ribbon of an order of knighthood, bestowed for services in war, great achievements in literature, art, etc. 

  • The use of exotic sugars as decoys to distract the immune system of a host 

  • The act of adorning, embellishing, or honoring; ornamentation. 

lapel pin

noun
  • A simple accessory that can be attached to clothing with a pin or fastener, often round and bearing a design, logo or message, and used for decoration, identification or to show political affiliation, etc. 

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