full-blooded vs purebred

full-blooded is not a noun while purebred is a noun.

Word	Noun	Adjective	Verb	Adverb
full-blooded	No	Yes	No	No
purebred	Yes	Yes	No	No

full-blooded (noun)	purebred (noun)
	a pedigreed animal of unmixed lineage; used especially of horses

full-blooded (adjective)	purebred (adjective)
endowed with or exhibiting great bodily or mental health	bred for many generations from member of a recognized breed or strain
of unmixed ancestry