Plimsoll and Waterline

Plimsoll noun - Waterlines to show the level the water should reach when the ship is properly loaded.

Waterline and plimsoll are semantically related. In some cases you can use "Waterline" instead a noun "Plimsoll".

Waterline noun - A line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship.

Plimsoll and waterline are semantically related. Sometimes you can replace term "Plimsoll" with "Waterline", this nouns are similar.