Mogen David vs Star of David

Mogen David and Star of David both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mogen David	Yes	No	No	No
Star of David	Yes	No	No	No

As nouns, Mogen David and Star of David are synonyms defined as:

Mogen David and Star of David: a six-pointed star formed from two equilateral triangles; an emblem symbolizing Judaism

Other synonyms of Mogen David include Magen David, Shield of David, Solomon's seal.

Mogen David (noun)	Star of David (noun)
a six-pointed star formed from two equilateral triangles; an emblem symbolizing Judaism	a six-pointed star formed from two equilateral triangles; an emblem symbolizing Judaism