Axle spindle is a component in a vehicle that is responsible for spinning the wheel. It is a crucial part of the brake and suspension system of the car. Finding synonyms for axle spindle can be challenging as it is a specialized term used in the automotive industry. However, some words that work in its place include, shaft, pin, rod, pivot, pivot joint, bearing, spindle, and pivot point. These words convey similar meanings of a rotating mechanism that connects different car parts and allows the wheel to turn. Therefore, one can use these synonyms interchangeably while discussing the automobile's technical details.