bicycle vs trike

bicycle

noun
  • A motorbike. 

  • The best possible hand in lowball. 

  • A vehicle that has two wheels, one behind the other, a steering handle, and a saddle seat or seats and is usually propelled by the action of a rider’s feet upon pedals. 

  • A traveling block used on a cable in skidding logs. 

  • A stabilizing technique in which one foot is pushed down while the other is pulled up. 

  • A slut; a promiscuous woman. 

verb
  • To travel or exercise using a bicycle. 

  • To physically ship (a recorded programme) to another broadcasting entity. 

trike

noun
  • A three-wheeled motorbike 

  • A tricycle, typically that of a child 

  • A triceratops. 

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

verb
  • To tricycle; to travel by tricycle. 

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