Church of the Holy Sepulchre vs Holy Sepulcher

Church of the Holy Sepulchre and Holy Sepulcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
Church of the Holy Sepulchre	Yes	No	No	No
Holy Sepulcher	Yes	No	No	No

As nouns, Church of the Holy Sepulchre and Holy Sepulcher are synonyms defined as:

Church of the Holy Sepulchre and Holy Sepulcher: the sepulcher in which Christ's body lay between burial and resurrection

Other synonyms of Church of the Holy Sepulchre include Holy Sepulchre.

Church of the Holy Sepulchre (noun)	Holy Sepulcher (noun)
the sepulcher in which Christ's body lay between burial and resurrection	the sepulcher in which Christ's body lay between burial and resurrection