attention deficit disorder vs minimal brain dysfunction

attention deficit disorder and minimal brain dysfunction both are nouns.

Word	Noun	Adjective	Verb	Adverb
attention deficit disorder	Yes	No	No	No
minimal brain dysfunction	Yes	No	No	No

As nouns, attention deficit disorder and minimal brain dysfunction are synonyms defined as:

attention deficit disorder and minimal brain dysfunction: a condition (mostly in boys) characterized by behavioral and learning disorders

Other synonyms of attention deficit disorder include ADD, ADHD, attention deficit hyperactivity disorder, hyperkinetic syndrome, MBD, minimal brain damage.

attention deficit disorder (noun)	minimal brain dysfunction (noun)
a condition (mostly in boys) characterized by behavioral and learning disorders	a condition (mostly in boys) characterized by behavioral and learning disorders