pureblood vs pedigree

pureblood and pedigree both are nouns.

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

As adjectives, pureblood and pedigree are synonyms defined as:

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

Other synonyms of pureblood include pedigreed, pureblooded, thoroughbred.

pureblood (noun)	pedigree (noun)
a pedigreed animal of unmixed lineage; used especially of horses	ancestry of a purebred animal
	the hereditary derivation of an individual
	line of descent of a purebred animal

pureblood (adjective)	pedigree (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