Paralyzation is also perfectly good usage (OED). Grant spoke of the paralyzation caused by the underhand tricks played by Queen Elizabeth (I, of course; II doesn't have the power). These words are not much used, but they are accepted by lexicographers.

Katlaughing, your linked site should be "required reading." Amazon is well-known for implanting a cookie in your hard drive. I fear that they may allow (knowingly or unknowingly) its use by others.