nose ring vs piercing

nose ring

noun
  • A ring worn on a person's nose, as jewellery. 

  • A ring affixed to the snout of cattle, to make them follow immediately when a chain is attached to the ring. 

piercing

noun
  • An item of jewellery designed to be fitted through a piercing (sense 2). 

  • A hole made in the body so that jewellery can be worn through it. 

adj
  • Appearing to look deeply into; penetrating. 

  • Of sound, loud and sharp; shrill. 

  • Of temperature, extremely cold so that it penetrates through clothing and shelter. 

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