sovereignty vs potency

sovereignty and potency both are nouns.

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

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

Other hypernyms of sovereignty include authorisation, authority, authorization, dominance, say-so.

sovereignty (noun)	potency (noun)
the authority of a state to govern another state	capacity to produce strong physiological or chemical effects
government free from external control	the power or right to give orders or make decisions
royal authority; the dominion of a monarch	the state of being potent; a male's capacity to have sexual intercourse
	the inherent capacity for coming into being