| Subject | English | Russian |
| idiom. | how can one pass over a relation! | Ну как не порадеть родному человечку! (А. Грибоедов; (trans. by I. Walshe and V. Berkov); (of nepotism or preference given to friends in matters of employment and promotion) Taras) |
| tech. | relation over a set | отношение на множестве |