Holy Communion vs sacramental manduction

Holy Communion and sacramental manduction both are nouns.

Word	Noun	Adjective	Verb	Adverb
Holy Communion	Yes	No	No	No
sacramental manduction	Yes	No	No	No

As nouns, Holy Communion and sacramental manduction are synonyms defined as:

Holy Communion and sacramental manduction: the act of participating in the celebration of the Eucharist

Other synonyms of Holy Communion include Communion, manduction.

Holy Communion (noun)	sacramental manduction (noun)
the act of participating in the celebration of the Eucharist	the act of participating in the celebration of the Eucharist