American Heritage Dictionary
(4)
Century Dictionary
GNU Webster's 1913
WordNet
(3)
Elsewhere on the web
I found no mention of serving them with any type of sauce, but being a saucy Louisianian, I couldn't resist eating them with some spicy cocktail sauce (a mixture of ketchup, horseradish, and hot sauce).— Fatfree Vegan Kitchen
Preparation: Mix the onion, horseradish, and jalapeño, lemon juice, and orange juice with the honey.
There were homemade condiments: cranberry sauce, horseradish, and oregon grape jelly.— Wandering Coyote

Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word several times a year.