sept vs dynasty

sept and dynasty both are nouns.

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

As nouns, dynasty is a hyponym of sept; that is, dynasty is a word with a more specific, narrower meaning than sept:

Other hyponyms of sept include people, homefolk, house, gens, name.

sept (noun)	dynasty (noun)
people descended from a common ancestor	a sequence of powerful leaders in the same family