General:
* Rays: This is a common synonym for spokes, especially in a technical context.
* Arms: This is often used for spokes in wheels, particularly older wheels.
* Rims: This refers to the outer edge of the wheel, which is connected to the spokes.
Specific:
* Staves: Used for the spokes in a ladder or a wheel.
* Spools: For the thin, cylindrical spokes used in a loom.
* Ribs: For the spokes in an umbrella.
Figurative:
* Branches: Can be used metaphorically for spokes, implying a branching out from a central point.
* Tendrils: Used for spokes that are thin and delicate.
* Lines: For spokes that are straight and clearly defined.
The best alternative will depend on the specific context and what you are trying to convey.