pear vs persimmon

pear

noun
  • An edible fruit produced by the pear tree, similar to an apple but typically elongated towards the stem. 

  • A desaturated chartreuse yellow colour, like that of a pear. 

  • The wood of the pear tree (pearwood, pear wood). 

  • avocado, alligator pear 

  • A type of fruit tree (Pyrus communis). 

  • Choke pear (a torture device). 

persimmon

noun
  • A type of fruit, of orange colour, very sweet, quite astringent when immature. 

  • The tree this fruit grows on, generally one of two species of ebony: Diospyros kaki (Asian) or Diospyros virginiana (North American). 

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