horseradish vs white pepper

horseradish

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

  • A plant of the mustard family, Armoracia rusticana. 

white pepper

noun
  • A spice consisting of the light-colored seed of the black pepper fruit without the dark-colored pulp and skin. Used as a spice in light colored foods such as cream sauces. 

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