beanbag vs pillion

beanbag

noun
  • A piece of soft furniture consisting of a leather or vinyl covering stuffed with dry beans or other similar pellets. 

  • A type of juggling ball usually made from leather or cloth stuffed with dry beans. 

  • A small cloth bag filled with dry beans, used as a toy or for exercising the hands. 

  • An idiot. 

  • A testicle. 

pillion

noun
  • The cushion of a saddle. 

  • The person riding in the pillion. 

  • A similar second saddle on a motorcycle for a passenger. 

  • A pad behind the saddle of a horse for a second rider. 

adv
  • Riding behind the driving rider, as when positioned on the rump of a mount. 

verb
  • To ride on a pillion. 

  • To put a pillion on a horse. 

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