honeydew vs manna

honeydew

noun
  • A sweet, sticky substance deposited on leaves and other plant parts by insects (especially aphids and scale insects) feeding on plant sap, or by fungi. 

  • In full honeydew tobacco: a fine sort of tobacco moistened with a sweet substance (originally molasses). 

  • Something that is enjoyable or pleasant. 

  • A light green colour, like the flesh of some honeydew melons. 

  • A blackish mould (often called sooty mould) produced by fungi of the order Dothideales, feeding on the substance mentioned in sense 1. 

  • A sweet liquid substance resembling the substance mentioned in sense 1, such as honey, nectar, or manna in the Bible. 

adj
  • Of a light green colour, like the flesh of some honeydew melons. 

manna

noun
  • The sugary sap of the manna gum tree which oozes out from holes drilled by insects and falls to the ground around the tree.http://www.museum.vic.gov.au/forest/plants/gum.html 

  • Any boon which comes into one's hands by good luck. 

  • Food miraculously produced for the Israelites in the desert in the book of Exodus. 

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