Lord's Supper vs Eucharistic liturgy

Lord's Supper and Eucharistic liturgy both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lord's Supper	Yes	No	No	No
Eucharistic liturgy	Yes	No	No	No

As nouns, Lord's Supper and Eucharistic liturgy are synonyms defined as:

Lord's Supper and Eucharistic liturgy: a Christian sacrament commemorating the Last Supper by consecrating bread and wine

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

Lord's Supper (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
the traditional Passover supper of Jesus with his disciples on the eve of his crucifixion