neurodermatitis vs dermatitis

neurodermatitis and dermatitis both are nouns.

Word	Noun	Adjective	Verb	Adverb
neurodermatitis	Yes	No	No	No
dermatitis	Yes	No	No	No

As nouns, dermatitis is a hypernym of neurodermatitis; that is, dermatitis is a word with a broader meaning than neurodermatitis:

neurodermatitis: dermatitis in which localized areas (especially the forearms or back of the neck or outer part of the ankle) itch persistently; cause is unknown
dermatitis: inflammation of the skin; skin becomes itchy and may develop blisters

neurodermatitis (noun)	dermatitis (noun)
dermatitis in which localized areas (especially the forearms or back of the neck or outer part of the ankle) itch persistently; cause is unknown	inflammation of the skin; skin becomes itchy and may develop blisters