Eucharistic liturgy vs Holy Eucharist

Eucharistic liturgy and Holy Eucharist both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eucharistic liturgy	Yes	No	No	No
Holy Eucharist	Yes	No	No	No

As nouns, Eucharistic liturgy and Holy Eucharist are synonyms defined as:

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

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

Eucharistic liturgy (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