Spicy
The spicy radical and spicy kanji are exactly the same! Hot!
しん
から, つら
None
When you eat spicy food, it gives a からて chop to your mouth. That's where that spicy feeling comes from!
Imagine a bunch of little black belt spice molecules からて punching, kicking and chopping all the way through your mouth and into your throat and nasal passages. Oww, it's pure agony!