Here are some options, depending on the specific nuance of "control" you need:
* Dominion (9 letters) - implies a wider sense of control, like a ruler having dominion over a land.
* Regulation (9 letters) - implies control through rules and laws.
* Management (9 letters) - implies control over a system or group.
* Governance (9 letters) - implies control over a group of people or a nation.
If you're looking for a more specific type of control, you might need a phrase like "power over" or "influence on".