Magna Carta vs Magna Charta

Magna Carta and Magna Charta both are nouns.

Word	Noun	Adjective	Verb	Adverb
Magna Carta	Yes	No	No	No
Magna Charta	Yes	No	No	No

As nouns, Magna Carta and Magna Charta are synonyms defined as:

Magna Carta and Magna Charta: the royal charter of political rights given to rebellious English barons by King John in 1215

Other synonyms of Magna Carta include The Great Charter.

Magna Carta (noun)	Magna Charta (noun)
the royal charter of political rights given to rebellious English barons by King John in 1215	the royal charter of political rights given to rebellious English barons by King John in 1215