Border collie and Shepherd dog

Border collie noun - Developed in the area between Scotland and England usually having a black coat with white on the head and tip of tail used for herding both sheep and cattle.

Shepherd dog and Border collie are semantically related. In some cases you can use "Shepherd dog" instead a noun phrase "Border collie".

Shepherd dog noun - Any of various usually long-haired breeds of dog reared to herd and guard sheep.

Border collie and shepherd dog are semantically related. Sometimes you can replace phrase "Border collie" with "Shepherd dog", this phrases are similar.