jet set vs nobility

jet set

noun
  • A social class of wealthy people who travel for pleasure. 

adj
  • Relating to the life style of the jet set. 

verb
  • To follow the life style of the jet set. 

nobility

noun
  • A noble or privileged social class, historically accompanied by a hereditary title; aristocracy. 

  • The quality of being noble. 

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