acne vs inflammatory disease

acne and inflammatory disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
acne	Yes	No	No	No
inflammatory disease	Yes	No	No	No

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

acne: an inflammatory disease involving the sebaceous glands of the skin; characterized by papules or pustules or comedones
inflammatory disease: a disease characterized by inflammation

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

acne (noun)	inflammatory disease (noun)
an inflammatory disease involving the sebaceous glands of the skin; characterized by papules or pustules or comedones	a disease characterized by inflammation