Transfiguration vs Transfiguration Day

Transfiguration and Transfiguration Day both are nouns.

Word	Noun	Adjective	Verb	Adverb
Transfiguration	Yes	No	No	No
Transfiguration Day	Yes	No	No	No

As nouns, Transfiguration and Transfiguration Day are synonyms defined as:

Transfiguration and Transfiguration Day: (Christianity) a church festival held in commemoration of the Transfiguration of Jesus

Other synonyms of Transfiguration include August 6.

Transfiguration (noun)	Transfiguration Day (noun)
(New Testament) the sudden emanation of radiance from the person of Jesus	(Christianity) a church festival held in commemoration of the Transfiguration of Jesus
(Christianity) a church festival held in commemoration of the Transfiguration of Jesus