beanbag vs prie-dieu

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. 

prie-dieu

noun
  • A piece of furniture on which someone can pray, consisting of a cushioned area to kneel on, with a built-in ledge for books. 

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