hostelry vs pub

hostelry

noun
  • The art and skill of guest management at a commercial facility such as a hotel, inn, motel, bed and breakfast, or hostel. 

  • An inn that provides overnight accommodation for travellers (and, originally, their horses). 

pub

noun
  • A public house where beverages, primarily alcoholic, may be bought and consumed, also providing food and sometimes entertainment such as live music or television. 

  • A public server. 

verb
  • To go to one or more public houses. 

  • to publish 

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