Solomon's seal vs Shield of David

Solomon's seal and Shield of David both are nouns.

Word	Noun	Adjective	Verb	Adverb
Solomon's seal	Yes	No	No	No
Shield of David	Yes	No	No	No

As nouns, Solomon's seal and Shield of David are synonyms defined as:

Solomon's seal and Shield of David: a six-pointed star formed from two equilateral triangles; an emblem symbolizing Judaism

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

Solomon's seal (noun)	Shield 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