| Subject | English | Russian |
| Makarov. | singular case | необыкновенный случай |
| math. | singular case | вырожденный случай |
| Makarov. | singular case | редкостный случай |
| gen. | singular case | необычный случай ("A singular case," remarked Holmes. "I have not yet described to you the most singular part." (Sir Arthur Conan Doyle) ART Vancouver) |