MS vs Miss.

MS and Miss. both are nouns.

Word	Noun	Adjective	Verb	Adverb
MS	Yes	No	No	No
Miss.	Yes	No	No	No

As nouns, MS and Miss. are synonyms defined as:

MS and Miss.: a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War

Other synonyms of MS include Magnolia State, Mississippi.

MS (noun)	Miss. (noun)
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 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