Ptolemy vs dynasty

Ptolemy and dynasty both are nouns.

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

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

Ptolemy: an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra
dynasty: a sequence of powerful leaders in the same family

Ptolemy (noun)	dynasty (noun)
an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra	a sequence of powerful leaders in the same family
Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance