acne rosacea vs rosacea

acne rosacea and rosacea both are nouns.

Word	Noun	Adjective	Verb	Adverb
acne rosacea	Yes	No	No	No
rosacea	Yes	No	No	No

As nouns, acne rosacea and rosacea are synonyms defined as:

acne rosacea and rosacea: a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance

acne rosacea (noun)	rosacea (noun)
a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance	a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance