cucumber vs cucurbit

cucumber

noun
  • A vine in the gourd family, Cucumis sativus. 

  • The edible fruit of this plant, having a green rind and crisp white flesh. 

  • A person who is calm and self-possessed. 

cucurbit

noun
  • Any member of the family Cucurbitaceae of gourds. 

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