barbershop vs salon

barbershop

noun
  • The place of business of a barber; a store where a person (usually a male) can go to get a haircut. 

  • A style of a capella vocal music, sung in four-part harmony, typically by a quartet of men. 

verb
  • To perform in the barbershop musical style. 

salon

noun
  • A beauty salon or similar establishment. 

  • A large room, especially one used to receive and entertain guests. 

  • An art gallery or exhibition; especially the Paris salon or autumn salon. 

  • A gathering of people for a social or intellectual meeting. 

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