| Subject | English | Russian |
| econ. | private contract | частное соглашение или договор |
| gen. | private contract | частноправовой договор (Alexander Demidov) |
| econ. | private contract | частное соглашение |
| law | private contract | частный договор |
| gen. | private-law contract | частноправовой договор (His main areas of research are private law (contract and tort) and public international law. | private lawyers had isolated themselves from European matters, cocooned in an assumption that the core categories of private law (contract, property, tort) were safe from the reach of European hands. Alexander Demidov) |
| law | sale by private contract | продажа по соглашению |
| gen. | sale by private contract | продажа по взаимному соглашению |
| law | sell by private contract | продавать по соглашению |
| gen. | sell by private contract | продавать по любовному соглашению |