scepter vs sovereignty

scepter and sovereignty both are nouns.

Word	Noun	Adjective	Verb	Adverb
scepter	Yes	No	No	No
sovereignty	Yes	No	No	No

As nouns, sovereignty is a hypernym of scepter; that is, sovereignty is a word with a broader meaning than scepter:

Other hypernyms of scepter include reign.

scepter (noun)	sovereignty (noun)
a ceremonial or emblematic staff	the authority of a state to govern another state
the imperial authority symbolized by a scepter	government free from external control
	royal authority; the dominion of a monarch