Stuart vs dynasty

Stuart and dynasty both are nouns.

Word	Noun	Adjective	Verb	Adverb
Stuart	Yes	No	No	No
dynasty	Yes	No	No	No

As nouns, dynasty is a hypernym of Stuart; that is, dynasty is a word with a broader meaning than Stuart:

Stuart: the royal family that ruled Scotland from 1371-1714 and ruled England from 1603 to 1649 and again from 1660 to 1714
dynasty: a sequence of powerful leaders in the same family

Other hypernyms of Stuart include royal family, royal house, royal line, royalty.

Stuart (noun)	dynasty (noun)
the royal family that ruled Scotland from 1371-1714 and ruled England from 1603 to 1649 and again from 1660 to 1714	a sequence of powerful leaders in the same family
United States painter best known for his portraits of George Washington (1755-1828)
a member of the royal family that ruled Scotland and England