Go-cart and Sport car

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

Sport car and go-cart are semantically related. In some cases you can use "Sport car" instead a noun phrase "Go-cart".

Sport car noun - A small low car with a high-powered engine; usually seats two persons.

Go-cart and sport car are semantically related. Sometimes you can use "Go-cart" instead a noun phrase "Sport car".