| Subject | English | Russian |
| gen. | Church Slavic | церковнославянский (в терминологии Library of Congress transliteration system 4uzhoj) |
| gen. | Church Slavic | церковнославянский язык |
| relig. | Old Church Slavic | церковнославянский язык |
| Gruzovik, ling. | in Russian word derived from Church Slavic | славянизм |