five-and-dime vs showroom

five-and-dime

noun
  • A store selling inexpensive items. 

  • Two pair, composed of fives and tens. 

  • A five and a ten as a starting hand in Texas hold 'em. 

  • The 5th Battalion 10th Marines, a US artillery battalion. 

showroom

noun
  • A room in a business set aside for the display of the company's products. 

verb
  • To inspect merchandise in a physical store, then purchase the identical product from an online merchant; to use a physical store as a showroom for an online merchant. 

How often have the words five-and-dime and showroom occurred in a corpus of books? (source: Google Ngram Viewer )