Automobile and Go-cart

Automobile noun - A self-propelled passenger vehicle on four wheels.

Go-cart and automobile are semantically related. in car topic. In some cases you can use "Go-cart" instead a noun "Automobile".

Go-cart noun - Wheeled vehicle that can be pushed by a person; may have one or two or four wheels.

Automobile and go-cart are semantically related. Sometimes you can use "Automobile" instead a noun phrase "Go-cart".