cartwheel vs felloe

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. 

felloe

noun
  • The outer rim of a wheel, supported by the spokes. 

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