Pure blood and Thoroughbred

Thoroughbred and pure blood are semantically related. In some cases you can use "Thoroughbred" instead the phrase "Pure blood" as a noun or an adjective.

Thoroughbred noun - A pedigreed animal of unmixed lineage; used especially of horses.

Pure blood and thoroughbred are semantically related. Sometimes you can replace phrase "Pure blood" with "Thoroughbred", this terms are similar.