Lancaster vs dynasty

Lancaster and dynasty both are nouns.

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

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

Lancaster: the English royal house that reigned from 1399 to 1461; its emblem was a red rose
dynasty: a sequence of powerful leaders in the same family

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

Lancaster (noun)	dynasty (noun)
the English royal house that reigned from 1399 to 1461; its emblem was a red rose	a sequence of powerful leaders in the same family
a city in northwestern England