magnificence vs majesty

magnificence and majesty both are nouns.

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

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

Other hyponyms of magnificence include expansiveness, expansivity, loftiness, stateliness, imperialness.

magnificence (noun)	majesty (noun)
the quality of being magnificent or splendid or grand	impressiveness in scale or proportion
splendid or imposing in size or appearance