horseradish vs radish

horseradish

noun
  • A pungent condiment made from the root of the plant. 

  • A plant of the mustard family, Armoracia rusticana. 

radish

noun
  • The root of this plant used as food. Some varieties are pungent and usually eaten raw in salads, etc., while others have a milder taste and are cooked. 

  • A plant of the Brassicaceae family, Raphanus sativus or Raphanus raphanistrum subsp. sativus, having an edible root. 

  • With a distinguishing word: some other plant of the Raphanus genus or Brassicaceae family. 

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