highway robbery vs swank

highway robbery

noun
  • The act of robbing a traveler on a public road. 

  • Said of excessive or exorbitant prices. 

swank

noun
  • A fashionably elegant person. 

  • Ostentation; bravado. 

adj
  • Fashionably elegant, posh. 

verb
  • To swagger, to show off. 

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