Ascension vs Ascension of Christ

Ascension and Ascension of Christ both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ascension	Yes	No	No	No
Ascension of Christ	Yes	No	No	No

As nouns, Ascension and Ascension of Christ are synonyms defined as:

Ascension and Ascension of Christ: (New Testament) the rising of the body of Jesus into heaven on the 40th day after his Resurrection

Other synonyms of Ascension include Ascension of Jesus.

Ascension (noun)	Ascension of Christ (noun)
(New Testament) the rising of the body of Jesus into heaven on the 40th day after his Resurrection	(New Testament) the rising of the body of Jesus into heaven on the 40th day after his Resurrection
(Christianity) celebration of the Ascension of Christ into heaven; observed on the 40th day after Easter