honeydew melon vs wax gourd

honeydew melon

noun
  • A melon from the Cucumis melo Inodorus cultivar group, with sweet, light green or white flesh and a smooth greenish-white or yellow rind. 

wax gourd

noun
  • A green, fuzzy melon fruit taken from this vine that has sweet white flesh. 

  • Benincasa hispida, a vine cultivated throughout Asia. 

How often have the words honeydew melon and wax gourd occurred in a corpus of books? (source: Google Ngram Viewer )