If you're a Female its cramps.
You've got a tummy ache!
Diarrhea can be caused by bad food, reactions to medication, or a virus. The stomach pains are probably gas.
People can die with pain, yes. If you meant, "Can people die from tummy pains", then that's slightly more complex. Pain is a symptom of a larger problem. Likely, you would not be dying from the pain itself but from the problem causing the pain. There are many many conditions that can cause stomach pains.
Tummy is a colloquial word for stomach.
Stomach
stomach
the tummy
Tummy, or belly.
A borborygmus is a rumbling stomach (tummy).
your stomach and you bottom. depending on what sort tummy bug
That is the correct spelling of the slang term "tummy" (meaning stomach or abdomen).
top of the tummy (: