Holy Sepulchre vs Holy Sepulcher

Holy Sepulchre and Holy Sepulcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
Holy Sepulchre	Yes	No	No	No
Holy Sepulcher	Yes	No	No	No

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

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

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

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