eccl russian

• собо́рность

  conciliarism (eccl., philos.)

  collegiality

• свяще́ннический

  priestly, sacerdotal, ecclesiastical

• Екклесиа́ст

  Ecclesiasticus (Book of Sirach), The Preacher

  Ekklesiast (metal band)

• богослуже́бный

  liturgical, for worship

  ecclesiastical service-related