furunculosis vs skin disease

furunculosis and skin disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
furunculosis	Yes	No	No	No
skin disease	Yes	No	No	No

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

furunculosis: acute skin disease characterized by the presence of many furuncles
skin disease: a disease affecting the skin

Other hypernyms of furunculosis include disease of the skin, skin disorder.

furunculosis (noun)	skin disease (noun)
acute skin disease characterized by the presence of many furuncles	a disease affecting the skin