cartwheel vs steering wheel

cartwheel

noun
  • The literal wheel of a cart. 

  • A gymnastic maneuver whereby the gymnast rotates to one side or the other while keeping arms and legs outstretched, spinning for one or more revolutions. 

verb
  • To perform the gymnastics feat of a cartwheel. 

  • To flip end over end: normally said of a crashing vehicle or aircraft. 

steering wheel

noun
  • A wheel-shaped control that is rotated by the driver to steer, existing in most modern land vehicles. 

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