beer parlour vs tied house

beer parlour

noun
  • A bar, selling beer, that has tables where customers may congregate socially. 

tied house

noun
  • A public house which is either owned by a brewery, or other holding company, and run by a manager, or rented and run by a tenant, or perhaps contractually tied because of loans from a brewery, and which therefore is obliged to purchase a certain percentage of its stock from said pubco. 

How often have the words beer parlour and tied house occurred in a corpus of books? (source: Google Ngram Viewer )