splendour vs splendor

splendour and splendor both are nouns.

Word	Noun	Adjective	Verb	Adverb
splendour	Yes	No	No	No
splendor	Yes	No	No	No

As nouns, splendour and splendor are synonyms defined as:

Other synonyms of splendour include brilliancy, luster, lustre.

As nouns, splendour and splendor are synonyms defined as:

splendour and splendor: the quality of being magnificent or splendid or grand

Other synonyms of splendour include brilliance, grandeur, grandness, magnificence.

splendour (noun)	splendor (noun)
a quality that outshines the usual	a quality that outshines the usual
the quality of being magnificent or splendid or grand	the quality of being magnificent or splendid or grand