broccoli vs ryegrass

broccoli

noun
  • A plant, Brassica oleracea var. italica, of the cabbage family, Brassicaceae; especially, the tree-shaped flower and stalk that are eaten as a vegetable. 

  • Marijuana. 

ryegrass

noun
  • A collection of plants of any of the species, as in a lawn or field. 

  • Any of several species of tufted grasses of the genus Lolium. 

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