caraway vs shrub celery

caraway

noun
  • The seed-like fruit of the caraway plant. 

  • A biennial plant, Carum carvi, native to Europe and Asia, mainly grown for its seed to be used as a culinary spice. 

  • A cake or sweetmeat containing caraway seeds. 

shrub celery

noun
  • The crisp, thick leafstalk of the celery plant; used as a vegetable, or eaten raw. 

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