WordNet sense 1 (a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers):

multiple sclerosis, disseminated multiple sclerosis, disseminated sclerosis

WordNet sense 2 (a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War):

Mississippi, Magnolia State

WordNet sense 3 (a master's degree in science):

MSc, SM, Master of Science

WordNet sense 4 (the form of a literary work submitted for publication):

manuscript

WordNet sense 5 (a form of address for a woman):

Ms.