hereditary disease vs disease

hereditary disease and disease both are nouns.

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

As nouns, disease is a hypernym of hereditary disease; that is, disease is a word with a broader meaning than hereditary disease:

hereditary disease (noun)	disease (noun)
a disease or disorder that is inherited genetically	an impairment of health or a condition of abnormal functioning