acantholysis vs skin disorder

acantholysis and skin disorder both are nouns.

Word	Noun	Adjective	Verb	Adverb
acantholysis	Yes	No	No	No
skin disorder	Yes	No	No	No

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

acantholysis: a breakdown of a cell layer in the epidermis (as in pemphigus)
skin disorder: a disease affecting the skin

Other hypernyms of acantholysis include disease of the skin, skin disease.

acantholysis (noun)	skin disorder (noun)
a breakdown of a cell layer in the epidermis (as in pemphigus)	a disease affecting the skin