baby buggy vs chaise

baby buggy

noun
  • A wheeled chair for the transport of a baby or infant. 

chaise

noun
  • A chaise longue. 

  • A post chaise. 

  • An open, horse-drawn carriage for one or two people, usually with one horse and two wheels. 

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