jewel vs lapel pin

jewel

noun
  • A valuable object used for personal ornamentation, especially one made of precious metals and stones; a piece of jewellery. 

  • A precious or semi-precious stone; gem, gemstone. 

  • A bearing for a pivot in a watch, formed of a crystal or precious stone. 

  • Any of various lycaenid butterflies of the genus Hypochrysops. 

  • The clitoris. 

  • Anything precious or valuable. 

verb
  • To bejewel; to decorate or bedeck with jewels or gems. 

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 jewel and lapel pin occurred in a corpus of books? (source: Google Ngram Viewer )