potency vs sovereignty

potency and sovereignty both are nouns.

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

As nouns, sovereignty is a hyponym of potency; that is, sovereignty is a word with a more specific, narrower meaning than potency:

Other hyponyms of potency include power of appointment, carte blanche, command, imperium, lordship, muscle.

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