Action:
* Act -> Action
* Create -> Creation
* Explain -> Explanation
* Invent -> Invention
* React -> Reaction
Process:
* Calculate -> Calculation
* Educate -> Education
* Operate -> Operation
* Promote -> Promotion
* Regulate -> Regulation
State or Condition:
* Assume -> Assumption
* Consider -> Consideration
* Contemplate -> Contemplation
* Relate -> Relation
* Validate -> Validation
Other:
* Contribute -> Contribution
* Introduce -> Introduction
* Motivate -> Motivation
* Negotiate -> Negotiation
* Organize -> Organization
These are just a few examples, and there are many more verbs that can be transformed into nouns by adding "-tion".