sovereignty vs dominance

sovereignty and dominance both are nouns.

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

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

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

sovereignty (noun)	dominance (noun)
the authority of a state to govern another state	the power or right to give orders or make decisions
government free from external control	superior development of one side of the body
royal authority; the dominion of a monarch	the organic phenomenon in which one of a pair of alleles present in a genotype is expressed in the phenotype and the other allele of the pair is not
	the state that exists when one person or group has power over another