Medical:
* Surgery: The branch of medicine that deals with the treatment of diseases, injuries, and deformities by manual and instrumental operations.
* Surgeon: A doctor who performs surgical operations.
* Surgical: Relating to or used in surgery.
* Resurgance: A return to a former state or condition, especially after decline or inactivity (often used in the context of medical recovery).
Other:
* Surge: A sudden powerful forward or upward movement.
* Resurgence: A revival or renewed growth after a period of decline.
* Insurge: To rise in rebellion.
* Insurgent: A person who rebels against authority.
* Emerge: To come out into view or notice.
* Surmount: To overcome a difficulty or obstacle.
* Surge protector: A device that protects electrical equipment from power surges.
These are just a few examples, and there may be other words with the "surg" root depending on the specific context.