Exchange and Grade crossing

Exchange noun - A giving or taking of one thing of value in return for another.

Grade crossing and exchange are semantically related In some cases you can use "Grade crossing" instead a noun "Exchange".

Nearby Words: exchanged, exchangeable, exchangeability, exchanging, exchanger

Grade crossing noun - Intersection of a railway and a road on the same level; barriers close road when trains pass.

Exchange and grade crossing are semantically related in pathway to traverse larger path topic. You can use "Exchange" instead a noun phrase "Grade crossing".