heritage vs legacy

heritage and legacy both are nouns.

Word	Noun	Adjective	Verb	Adverb
heritage	Yes	No	No	No
legacy	Yes	No	No	No

As nouns, legacy is a hyponym of heritage; that is, legacy is a word with a more specific, narrower meaning than heritage:

heritage: that which is inherited; a title or property or estate that passes by law to the heir on the death of the owner
legacy: (law) a gift of personal property by will

Other hyponyms of heritage include primogeniture, borough English, accretion, bequest, birthright, patrimony, devise, heirloom.

heritage (noun)	legacy (noun)
hereditary succession to a title or an office or property	(law) a gift of personal property by will
any attribute or immaterial possession that is inherited from ancestors
practices that are handed down from the past by tradition
that which is inherited; a title or property or estate that passes by law to the heir on the death of the owner