Here are some examples:
* Automatic: This word itself incorporates the "-matic" suffix.
* Systematic: Relating to a system or method.
* Pneumatic: Relating to air or gas pressure.
* Programmatic: Relating to a program or plan.
* Automatic transmission: A transmission system that changes gears automatically.
In some cases, "-matic" might be used in a more general sense to refer to a specific type of mechanism, process, or device.
Let me know if you have any other questions!