hegemon vs superpower

hegemon and superpower both are nouns.

Word	Noun	Adjective	Verb	Adverb
hegemon	Yes	No	No	No
superpower	Yes	No	No	No

As nouns, superpower is a hypernym of hegemon; that is, superpower is a word with a broader meaning than hegemon:

hegemon: a leading or paramount power
superpower: a state powerful enough to influence events throughout the world

Other hypernyms of hegemon include great power, major power, power, world power.

hegemon (noun)	superpower (noun)
a leading or paramount power	a state powerful enough to influence events throughout the world