1. The implement at the stern of a ship by which it is steered; that which guides or governs the course of anything.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• tuder,
• rieder,
• rudde,
• sudder,
• ridders,
• ruddder,
• remder,
• urder,
• rouder,
• reddem,
• shrudder,
• ruded,
• mruder,
• furder,
• murdder,
• riader,
• rudley,
• ridder,
• rutger,
• ordder

• Ridder,
• rudra,
• rueter,
• ruder,
• ruther,
• Rutter.

The adjective form of "rudder" is "rudderless".

The plural of the "rudder" can be the "rudders".

The singular of the "rudder" can be the "rudder".