Holy Sacrament vs Eucharistic liturgy

Holy Sacrament and Eucharistic liturgy both are nouns.

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

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

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

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

Holy Sacrament (noun)	Eucharistic liturgy (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