What suffix meaning has the result of an action?

The suffix meaning "the result of an action" is -tion.

Here are some examples:

* Act + -tion = Action (the result of acting)

* Construct + -tion = Construction (the result of constructing)

* Operate + -tion = Operation (the result of operating)

* Educate + -tion = Education (the result of educating)

There are also other suffixes that can indicate the result of an action, such as -ment, -ance, -ence, and -age. However, -tion is the most common and versatile.