disseminated multiple sclerosis vs MS

disseminated multiple sclerosis and MS both are nouns.

Word	Noun	Adjective	Verb	Adverb
disseminated multiple sclerosis	Yes	No	No	No
MS	Yes	No	No	No

As nouns, disseminated multiple sclerosis and MS are synonyms defined as:

disseminated multiple sclerosis and MS: a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers

Other synonyms of disseminated multiple sclerosis include disseminated sclerosis, multiple sclerosis.

disseminated multiple sclerosis (noun)	MS (noun)
a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers	a master's degree in science
	a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War
	a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers