aparthotel vs guesthouse

aparthotel

noun
  • A form of hotel having self-catering apartments instead of bedrooms or suites. 

guesthouse

noun
  • A private house offering accommodation to paying guests; a boarding house; a bed and breakfast. 

  • A small house near a main house, for lodging visitors. 

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