sacrament of the Eucharist vs Holy Eucharist

sacrament of the Eucharist and Holy Eucharist both are nouns.

Word	Noun	Adjective	Verb	Adverb
sacrament of the Eucharist	Yes	No	No	No
Holy Eucharist	Yes	No	No	No

As nouns, sacrament of the Eucharist and Holy Eucharist are synonyms defined as:

sacrament of the Eucharist and Holy Eucharist: a Christian sacrament commemorating the Last Supper by consecrating bread and wine

Other synonyms of sacrament of the Eucharist include Eucharist, Eucharistic liturgy, Holy Sacrament, Liturgy, Lord's Supper.

sacrament of the Eucharist (noun)	Holy Eucharist (noun)
a Christian sacrament commemorating the Last Supper by consecrating bread and wine	a Christian sacrament commemorating the Last Supper by consecrating bread and wine