communicable disease vs disease

communicable disease and disease both are nouns.

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

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

communicable disease: a disease that can be communicated from one person to another
disease: an impairment of health or a condition of abnormal functioning

communicable disease (noun)	disease (noun)
a disease that can be communicated from one person to another	an impairment of health or a condition of abnormal functioning