Body of water and Firth

Body of water noun - The part of the earth's surface covered with water (such as a river or lake or ocean).

Firth and body of water are semantically related in nature topic. In some cases you can use "Firth" instead a noun phrase "Body of water".

Firth noun - A part of a body of water that extends beyond the general shoreline.

Body of water and firth are semantically related in nature topic. You can use "Body of water" instead a noun "Firth".