Gearwheel and Sprocket

Sprocket and gearwheel are semantically related in gear topic. In some cases you can use "Sprocket" instead a noun "Gearwheel", when it comes to topics like cogwheel, toothed part of wheel.

Sprocket noun - Tooth on the rim of gear wheel.

Gearwheel and sprocket are semantically related in gear topic. You can use "Gearwheel" instead a noun "Sprocket", if it concerns topics such as cogwheel, toothed part of wheel.