ambrosia vs famine weed

ambrosia

noun
  • Any fungus of a number of species that insects such as ambrosia beetles carry as symbionts, "farming" them on poor-quality food such as wood, where they grow, providing food for the insect. 

  • A dessert made of shredded coconuts and tropical fruits such as pineapples and oranges; some recipes also include ingredients such as marshmallow and cream. 

  • Any food with an especially delicious flavour or fragrance. 

  • Anything delightfully sweet and pleasing. 

  • The anointing-oil of the gods. 

  • The food of the gods, thought to confer immortality. 

  • A mixture of nectar and pollen prepared by worker bees and fed to larvae. 

  • An annual herb historically used medicinally and in cooking, Dysphania botrys. 

famine weed

noun
  • A plant of the species Parthenium hysterophorus, native to Central America, considered invasive in Africa, India, Australia 

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