Master of Arts vs Artium Magister

Master of Arts and Artium Magister both are nouns.

Word	Noun	Adjective	Verb	Adverb
Master of Arts	Yes	No	No	No
Artium Magister	Yes	No	No	No

As nouns, Master of Arts and Artium Magister are synonyms defined as:

Master of Arts and Artium Magister: a master's degree in arts and sciences

Other synonyms of Master of Arts include AM, MA.

Master of Arts (noun)	Artium Magister (noun)
a master's degree in arts and sciences	a master's degree in arts and sciences