pedigree vs ancestry

pedigree and ancestry both are nouns.

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

As nouns, ancestry is a hypernym of pedigree; that is, ancestry is a word with a broader meaning than pedigree:

Other hypernyms of pedigree include derivation, filiation, lineage.

As nouns, pedigree and ancestry are synonyms defined as:

Other synonyms of pedigree include blood, blood line, bloodline, descent, line, line of descent, lineage, origin, parentage, stemma, stock.

pedigree (noun)	ancestry (noun)
ancestry of a purebred animal	inherited properties shared with others of your bloodline
the hereditary derivation of an individual	the hereditary derivation of an individual
line of descent of a purebred animal

pedigree (adjective)	ancestry (adjective)
having a list of ancestors as proof of being a purebred animal