Old English sheepdog and Sheepdog

Old English sheepdog noun - Large sheepdog with a profuse shaggy bluish-grey-and-white coat and short tail; believed to trace back to the Roman occupation of Britain.

Sheepdog and Old English sheepdog are semantically related. In some cases you can use "Sheepdog" instead a noun phrase "Old English sheepdog".

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

Old English sheepdog and sheepdog are semantically related. Sometimes you can replace phrase "Old English sheepdog" with "Sheepdog", this terms are similar.