benevolence vs manna

benevolence

noun
  • Charitable kindness. 

  • A kind of forced loan or contribution levied by kings without legal authority, first so called under Edward IV in 1473. 

  • An altruistic gift or act. 

  • Disposition to do good. 

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 benevolence and manna occurred in a corpus of books? (source: Google Ngram Viewer )