Marines and Water dog

Marines noun - Members of a body of troops trained to serve on land or at sea.

Water dog and marines are semantically related. in sailor topic. In some cases you can use "Water dog" instead a noun "Marines", when it comes to topics like person who travels by sea.

Water dog noun - A dog accustomed to water and usually trained to retrieve waterfowl.

Marines and water dog are semantically related. Sometimes you can use "Marines" instead a noun phrase "Water dog".