baby carriage vs stroller

baby carriage

noun
  • A cart that is designed for moving a baby around in a lying position. 

stroller

noun
  • A seat or chair on wheels, pushed by somebody walking behind it, typically used for transporting babies and young children. 

  • A vagrant. 

  • One who strolls. 

  • Men's semiformal daytime dress comprising a grey or black single- or double-breasted coat, grey striped or checked formal trousers, a grey or silver necktie, and a grey, black or buff waistcoat. 

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