dominion vs ascendance

dominion and ascendance both are nouns.

Word	Noun	Adjective	Verb	Adverb
dominion	Yes	No	No	No
ascendance	Yes	No	No	No

As nouns, ascendance is a hypernym of dominion; that is, ascendance is a word with a broader meaning than dominion:

dominion: dominance or power through legal authority
ascendance: the state that exists when one person or group has power over another

Other hypernyms of dominion include ascendancy, ascendence, ascendency, control, dominance.

dominion (noun)	ascendance (noun)
a region marked off for administrative or other purposes	the state that exists when one person or group has power over another
dominance or power through legal authority