River and Runnel

River noun - A large natural stream of water (larger than a creek).

Runnel is a synonym for river in waterway topic. In some cases you can use "Runnel" instead a noun "River", when it comes to topics like watercourse.

Nearby Words: rive, riverside, riverine

Runnel noun - A natural body of running water smaller than a river.

River is a synonym for runnel in nature topic. You can use "River" instead a noun "Runnel", if it concerns topics such as stream, small river, stream of water.