pillion vs tuffet

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. 

verb
  • To ride on a pillion. 

  • To put a pillion on a horse. 

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

tuffet

noun
  • A large cushion which may have an internal frame, used as a low seat or stool. 

  • An inflatable cushion serving as landing area for precision accuracy parachuting. 

  • A clump of grass or similar vegetation; a small grass-covered mound. 

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