pureblood vs thoroughbred

pureblood and thoroughbred both are nouns.

Word	Noun	Adjective	Verb	Adverb
pureblood	Yes	Yes	No	No
thoroughbred	Yes	Yes	No	No

As adjectives, pureblood and thoroughbred are synonyms defined as:

pureblood and thoroughbred: having a list of ancestors as proof of being a purebred animal

Other synonyms of pureblood include pedigree, pedigreed, pureblooded.

As nouns, pureblood and thoroughbred are synonyms defined as:

pureblood and thoroughbred: a pedigreed animal of unmixed lineage; used especially of horses

Other synonyms of pureblood include purebred.

pureblood (noun)	thoroughbred (noun)
a pedigreed animal of unmixed lineage; used especially of horses	a pedigreed animal of unmixed lineage; used especially of horses
	a racehorse belonging to a breed that originated from a cross between Arabian stallions and English mares
	a well-bred person

pureblood (adjective)	thoroughbred (adjective)
having a list of ancestors as proof of being a purebred animal	having a list of ancestors as proof of being a purebred animal