Freight liner and Freight train

Freight liner noun - A long-distance express freight train between industrial centers and seaports with facilities for rapid loading and unloading of goods.

Freight train and freight liner are semantically related. In some cases you can use "Freight train" instead a noun phrase "Freight liner".

Freight train noun - A railroad train consisting of freight cars.

Freight liner and freight train are semantically related. Sometimes you can replace phrase "Freight liner" with "Freight train", this phrases are similar.