Dune buggy and Recreational vehicle

Dune buggy noun - A recreational vehicle with large tires used on beaches or sand dunes.

Recreational vehicle and dune buggy are semantically related. In some cases you can use "Recreational vehicle" instead a noun phrase "Dune buggy".

Recreational vehicle noun - A motor vehicle that is specially equipped for living while traveling.

Dune buggy and recreational vehicle are semantically related. Sometimes you can replace phrase "Dune buggy" with "Recreational vehicle", this phrases are similar.