exemplar vs jewel

exemplar

noun
  • Something fit to be imitated; an ideal, a model. 

  • A handwritten manuscript used by a scribe to make a handwritten copy; the original copy of what gets multiply reproduced in a copy machine. 

  • A role model. 

  • A well known usage of a scientific theory. 

  • A pattern after which others should be made; an archetype. 

  • A copy of a book or piece of writing. 

  • Something typical or representative of a class; an example that typifies. 

jewel

noun
  • Anything precious or valuable. 

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

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

  • 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. 

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

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