hereditary vs ancestral

hereditary and ancestral both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hereditary	No	Yes	No	No
ancestral	No	Yes	No	No

As adjectives, hereditary and ancestral are synonyms defined as:

hereditary and ancestral: inherited or inheritable by established rules (usually legal rules) of descent

Other synonyms of hereditary include patrimonial, transmissible.

hereditary (adjective)	ancestral (adjective)
occurring among members of a family usually by heredity	of or belonging to or inherited from an ancestor
inherited or inheritable by established rules (usually legal rules) of descent	inherited or inheritable by established rules (usually legal rules) of descent