drupe vs pear

drupe

noun
  • a kind of fruit, with a fleshy exterior, formed from the exocarp and mesocarp, surrounding a hardened endocarp which protects the seed. 

pear

noun
  • A type of fruit tree (Pyrus communis). 

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

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

  • avocado, alligator pear 

  • Choke pear (a torture device). 

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

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