imperialness vs magnificence

imperialness and magnificence both are nouns.

Word	Noun	Adjective	Verb	Adverb
imperialness	Yes	No	No	No
magnificence	Yes	No	No	No

As nouns, magnificence is a hypernym of imperialness; that is, magnificence is a word with a broader meaning than imperialness:

imperialness: The quality of being related to an empire, emperor, or empress.
magnificence: splendid or imposing in size or appearance

Other hypernyms of imperialness include grandness, impressiveness, richness.

imperialness (noun)	magnificence (noun)
The quality of being related to an empire, emperor, or empress.	the quality of being magnificent or splendid or grand
	splendid or imposing in size or appearance