joy vs manna

joy

noun
  • Luck or success; a positive outcome. 

  • Anything that causes such a feeling. 

  • A feeling of extreme happiness or cheerfulness, especially related to the acquisition or expectation of something good. 

verb
  • To feel joy, to rejoice. 

manna

noun
  • 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. 

  • 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 

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