Communion, Mass, Lord's Supper and probably many others.
Mass is another name for the celebration of the Eucharist
The Eucharist Sacrament celebrates the death and resurrection of Christ. "The Mass" is another name given for the worship service of Holy Eucharist.
Church
MASS
pandoras box
The priest leading the celebration of Mass can be called Father [name]. Sometimes the priest is referred to by his position, pastor, but not usually during Mass.
The Eucharist is Holy Communion. Communion means a coming together in celebration with each other and Jesus Christ. Eucharist is in "remembrance of" Christ.
Another name for communion plates is "offering plates." These plates are used during church services to collect offerings or donations from the congregation, and they may also refer specifically to the plates that hold the bread during the Eucharist or Communion service.
The Holy Chalice.
Eucharist or Holy Communion.
"The Host" or "The Holy Eucharist"
There are a several, namely the Mass, Benediction, and Adoration, that honor the Real Presence of Our Blessed Lord in the Eucharist.