How do you describe the flavor of horseradish, wasabi, and (strong) mustard?

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Current Events » How do you describe the flavor of horseradish, wasabi, and (strong) mustard?
What do you call that sensation that they create?
Bells, bells, bells!
A sharp stinging sensation on the tongue and nose.

Now the flavor of those are all all different.
Current Events » How do you describe the flavor of horseradish, wasabi, and (strong) mustard?