hereditary disease vs congenital disease

hereditary disease and congenital disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
hereditary disease	Yes	No	No	No
congenital disease	Yes	No	No	No

As nouns, hereditary disease and congenital disease are synonyms defined as:

hereditary disease and congenital disease: a disease or disorder that is inherited genetically

hereditary disease (noun)	congenital disease (noun)
a disease or disorder that is inherited genetically	a disease or disorder that is inherited genetically