domination vs ascendence

domination and ascendence both are nouns.

Word	Noun	Adjective	Verb	Adverb
domination	Yes	No	No	No
ascendence	Yes	No	No	No

As nouns, ascendence is a hypernym of domination; that is, ascendence is a word with a broader meaning than domination:

domination: power to dominate or defeat
ascendence: the state that exists when one person or group has power over another

Other hypernyms of domination include ascendance, ascendancy, ascendency, control, dominance.

domination (noun)	ascendence (noun)
social control by dominating	the state that exists when one person or group has power over another
power to dominate or defeat