Recreational vehicle and Self-propelled vehicle

Recreational vehicle noun - A motorized wheeled vehicle used for camping or other recreational activities.

Self-propelled vehicle and recreational vehicle are semantically related. In some cases you can use "Self-propelled vehicle" instead a noun phrase "Recreational vehicle".

Self-propelled vehicle noun - A wheeled vehicle that carries in itself a means of propulsion.

Recreational vehicle and self-propelled vehicle are semantically related. Sometimes you can replace phrase "Recreational vehicle" with "Self-propelled vehicle", this phrases are similar.