The Deluge - Piibellik Veeuputus - Всемирный потоп
Dependency - any building owned and maintained by a monastery that exists outside the property of the monastery
Despotikon - the room where bishops and other dignitaries stay while visiting a monastery
Destructology - деструктология - destruktoloogia (the new discipline sponsored by the Russian Ministry of Public Education started in 2019, and meant to prevent religious extremism and terrorism. Magic and occultism, as well as suicide games, extreme diets, medicinal dissent all targeted)
Diacrisis (Greek διάκρισις - discernment, reasoning) is an important concept in the New Testament. This word refers to the ability and gift of discernment: the gift of discerning spirits (1 Cor. 12:10) and discerning good and evil (Heb. 5:14)
The diamonitirion (Greek: διαμονητήριον) - диамонитирион - diamonitirion (a special written permit required for entry to Mount Athos that is compulsory for all visitors)
Ding dang dong - pimm-pamm-pomm - динь-дан-дон (church bells chimes)
Dispassion - kiretus - бесстрастие (purification and transfiguration of man's senses)
Dodekathronon (Greek "12 seats") - a hill, where Christ, as tradition has it, multiplied the seven loaves and fed the four thousand (most probably it's Tel Hadar, a little knoll alongside the eastern side of the Sea of Galilee)
Doctrine of analogy - analoogia teooria - теория аналогии (analogies are comparisons made to demonstrate similarities, analogy allows human beings to talk to God in human terms - God can be called Father without that implying God as a bearded man in the sky)
Douai-Rheims Bible - Douay-Rheims'i Piibel - Дауэй-Реймс Библия (the Bible translated from the Latin Vulgate into English by members of the English College, at Douai (France), with first part of the New Testament published in Rheims, France in 1582)