bike cab vs trike

bike cab

noun
  • A cycle rickshaw used as a taxi. 

trike

noun
  • A tricycle, typically that of a child 

  • A three-wheeled motorbike 

  • A triceratops. 

  • A kind of railroad maintenance vehicle: a speeder or jigger 

verb
  • To tricycle; to travel by tricycle. 

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