beauty parlor vs boutique

beauty parlor

noun
  • A salon where hairdressers, beauticians, and cosmeticians work. 

boutique

noun
  • A small shop, especially one that sells fashionable clothes, jewelry and the like. 

  • A film production company making only a few movies per year. 

  • Any company specializing in bespoke or custom-made products or services for clientele in a niche market. 

  • A small shop located within a larger one. 

How often have the words beauty parlor and boutique occurred in a corpus of books? (source: Google Ngram Viewer )