chicory vs harebell

chicory

noun
  • Either of two plants of the Asteraceae family. 

  • The common chicory (Cichorium intybus), the source of Belgian endive, radicchio, and sugarloaf. 

  • The endive (Cichorium endivia), the source of escarole and frisée. 

  • A coffee substitute made from the roasted roots of the common chicory, sometimes used as a cheap adulterant in real coffee. 

harebell

noun
  • A perennial flowering plant, Campanula rotundifolia, native to the Northern Hemisphere, with blue, bell-like flowers. 

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