purebred vs full-blooded

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

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

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

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