General:
* Break: This is the most common synonym and is often used in place of "fracture."
* Crack: This implies a smaller, less severe break.
* Split: This suggests a break that runs along the length of something.
* Rupture: This implies a complete break, often used for something that is hollow or filled with fluid.
* Shatter: This suggests a complete and sudden break into many pieces.
More Specific:
* Comminuted fracture: Broken into multiple pieces.
* Compound fracture: Bone breaks through the skin.
* Stress fracture: A small crack caused by overuse or repetitive stress.
* Greenstick fracture: A partial break in a bone, often found in children.
* Dislocation: Displacement of a bone from its joint.
Figurative:
* Breakdown: A sudden and complete failure.
* Division: A separation into distinct parts.
* Discord: A state of disagreement or conflict.
* Disruption: An interruption or disturbance.
The best synonym to use depends on the specific context and the type of fracture you are referring to.