Go-cart and Lawn cart

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

Lawn cart and go-cart are semantically related. In some cases you can replace phrase "Lawn cart" with "Go-cart", this phrases are similar.

Lawn cart noun - A cart for carrying small loads; has handles and one or more wheels.

Go-cart and lawn cart are semantically related. You can use "Go-cart" instead a noun phrase "Lawn cart".