bed and breakfast vs pied-à-terre

bed and breakfast

noun
  • A private home, guesthouse, etc. where guests are provided overnight accommodations and served breakfast but usually no other meals. 

  • A score of 26, made up of a score of 20, 1 and 5 in any order. 

pied-à-terre

noun
  • A smaller temporary or secondary lodging; a second home. 

  • A house in the city. 

How often have the words bed and breakfast and pied-à-terre occurred in a corpus of books? (source: Google Ngram Viewer )