caryopsis vs dried fruit

caryopsis

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

dried fruit

noun
  • Small fruit that has been preserved by drying. 

  • A mixture of sultanas, raisins, citrus peel, and cherries, used as an ingredient in fruit cakes. 

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