Mass; Catholic Mass
Refers specifically to the Catholic Eucharistic liturgy. The word is a direct loan from Latin 'missa'.
from Latin missa
I attend Mass every Sunday.
I attended Mass at church on Sunday.
During Mass, one prays quietly.
The priest offered Mass for the believers.
A grand Mass was held at the cathedral.
Standard katakana spelling for the Catholic Mass; usually written in kana.
Ateji spelling; rarely used and primarily of historical interest.
Borrowed from Latin 'missa', likely via Portuguese or early Christian missionary contact. The ateji spelling 弥撒 is a phonetic rendering.