caryopsis vs rice

caryopsis

noun
  • A type of fruit in which the fruit skin is stuck to the seed coat; especially the grain of a cereal. 

rice

noun
  • The seeds of this plant used as food. 

  • A specific variety of this plant. 

  • Cereal plants, Oryza sativa of the grass family whose seeds are used as food. 

  • The types of automobile modifications characteristic of a rice burner. 

  • A twig or stick. 

verb
  • To harvest wild rice (Zizania sp.) 

  • To customize the user interface of a computer system, e.g. a desktop environment. 

  • To throw rice at a person (usually at a wedding). 

  • To squeeze through a ricer; to mash or make into rice-sized pieces (especially potatoes). 

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