jujube vs malus

jujube

noun
  • The fruit of this tree. 

  • A type of candy; specific type varies by country. 

  • A fruit-bearing tree, Ziziphus mauritiana. 

  • The fruit of this tree, fructus jujubae. 

  • The sweet and edible drupes (fruits) of several Mediterranean and African species of small trees. 

  • A fruit-bearing tree, Ziziphus jujuba or Ziziphus zizyphus. 

malus

noun
  • A plant of the genus Malus (the apples). 

  • The loss or return of performance-related compensation originally paid by an employer to an employee as a result of the discovery of a defect in the performance. 

  • A penalty or negative thing. 

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