darner vs darning needle

darner

noun
  • A needle used for darning, a darning needle. 

  • One who darns. 

  • Any dragonfly of the family Aeshnidae; a hawker. 

darning needle

noun
  • Used other than figuratively or idiomatically: A needle used for darning. 

  • A damselfly, or a dragonfly that resembles one. 

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